It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 144 018 is not a prime number.
For example, 144 018 can be divided by 2: 144 018 / 2 = 72 009.
For 144 018 to be a prime number, it would have been required that 144 018 has only two divisors, i.e., itself and 1.
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144 018 is an even number, because it is evenly divisible by 2: 144 018 / 2 = 72 009.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 144 018 is about 379.497.
Thus, the square root of 144 018 is not an integer, and therefore 144 018 is not a square number.
The square of a number (here 144 018) is the result of the product of this number (144 018) by itself (i.e., 144 018 × 144 018); the square of 144 018 is sometimes called "raising 144 018 to the power 2", or "144 018 squared".
The square of 144 018 is 20 741 184 324 because 144 018 × 144 018 = 144 0182 = 20 741 184 324.
As a consequence, 144 018 is the square root of 20 741 184 324.
The multiples of 144 018 are all integers evenly divisible by 144 018, that is all numbers such that the remainder of the division by 144 018 is zero. There are infinitely many multiples of 144 018. The smallest multiples of 144 018 are: