All integers are rational, since they can be written, for example, in the form 45/1.
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irrational
An irrational number is a number that has no definite end. 4.5 has a definite end. THis makes it a rational number.
45 is real, rational, whole, natural, odd, composite, and an integer.
45 is an integer which is a rational number. So the question makes no sense.
Irrational.