Answer:
4500 is a rational number.
Because rational number consist of whole number and integer.
Explanation:
Whole numbers start from 0 and continue so on.
W = {0, 1, 2, 3, 4, 5.......}
Integers are the numbers 0 and both positive and negative numbers.
Z = {0, ±1, ±2, ±3, ±4.......}
Rational numbers are in the form of
where q ≠ 0.
Note: All the whole numbers and integers can be written in the form of
.
For example, 5 can be written as

and -25 =

Conclusion:
The rational numbers consist of both the whole numbers and integers.
So, we can say 4500 is a whole number, it is an integer and it is also called rational number.