252558145 has 16 divisors (see below), whose sum is σ = 346693248. Its totient is φ = 173018880.

The previous prime is 252558139. The next prime is 252558149. The reversal of 252558145 is 541855252.

It is not a de Polignac number, because 252558145 - 2⁵ = 252558113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252558149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42985 + ... + 48505.

It is an arithmetic number, because the mean of its divisors is an integer number (21668328).

Almost surely, 2^252558145 is an apocalyptic number.

It is an amenable number.

252558145 is a deficient number, since it is larger than the sum of its proper divisors (94135103).

252558145 is a wasteful number, since it uses less digits than its factorization.

252558145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840.

The product of its digits is 80000, while the sum is 37.

The square root of 252558145 is about 15892.0780579508. The cubic root of 252558145 is about 632.1019445455.

The spelling of 252558145 in words is "two hundred fifty-two million, five hundred fifty-eight thousand, one hundred forty-five".