145018252 has 12 divisors (see below), whose sum is σ = 255781120. Its totient is φ = 71937936.

The previous prime is 145018249. The next prime is 145018253. The reversal of 145018252 is 252810541.

145018252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145018252.

It is not an unprimeable number, because it can be changed into a prime (145018253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142227 + ... + 143242.

Almost surely, 2^145018252 is an apocalyptic number.

It is an amenable number.

145018252 is a deficient number, since it is larger than the sum of its proper divisors (110762868).

145018252 is a wasteful number, since it uses less digits than its factorization.

145018252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285600 (or 285598 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 145018252 is about 12042.3524279935. The cubic root of 145018252 is about 525.3808296545.

Adding to 145018252 its reverse (252810541), we get a palindrome (397828793).

The spelling of 145018252 in words is "one hundred forty-five million, eighteen thousand, two hundred fifty-two".