It is a composite number because it has more than two factors
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45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.
Multiply the number by .45.
The prime number after 45 is 47.
45 has only one number and that is 45. It is odd so 45 has one odd number.
45 is an odd number because the 5 is an odd number