Yes.
450 is, itself, a whole number.
To write 450 as a mixed number, you first recognize that it is a whole number and has no fractional part. Therefore, you can express it as ( 450 \frac{0}{1} ), which is simply 450. In mixed number format, it remains 450, as there are no additional fractions to include.
The smallest whole number that can be rounded to 500 is 450.
500 is a single number which is uniquely equal to 500. There is no smallest or largest whole number to it!
A factor is a whole number which divides exactly into a whole number, so for 450 it would start1 & 4502 & 2253 & 1505 & 90etc, work up until you start repeating numbers you've already had
Anything from 450 to 549
One example is 512.
232 degrees Celsius (to the nearest whole number)
There is no answer to this question. For any number that you care to name, I can pick one that is halfway between your number and 450 - namely the average of your number and 450 or (450+your number)/2. Being halfway between your number and 450, it is clearly nearer to 450. And then, I can find another number that is closer to 450 than that number and so on, for ever.
450 is not prime. 450 = 2 * 3 * 3 * 5 * 5
No, 450 is a composite number that is divisible by 5 and 10,
450 is 75 percent of 600.