145444252 has 12 divisors (see below), whose sum is σ = 258700456. Its totient is φ = 71529840.

The previous prime is 145444217. The next prime is 145444289. The reversal of 145444252 is 252444541.

145444252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297798 + ... + 298285.

Almost surely, 2^145444252 is an apocalyptic number.

It is an amenable number.

145444252 is a deficient number, since it is larger than the sum of its proper divisors (113256204).

145444252 is a wasteful number, since it uses less digits than its factorization.

145444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596148 (or 596146 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 145444252 is about 12060.0270314788. The cubic root of 145444252 is about 525.8947728611.

Adding to 145444252 its reverse (252444541), we get a palindrome (397888793).

The spelling of 145444252 in words is "one hundred forty-five million, four hundred forty-four thousand, two hundred fifty-two".