Q: Is 145,573 a Prime Number?
A: No, 145,573 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 145573 can be evenly divided by 1 149 977 and 145,573, with no remainder.
Since 145,573 cannot be divided by just 1 and 145,573, it is not a prime number.