315445233135252 has 72 divisors (see below), whose sum is σ = 817044711096096. Its totient is φ = 94643034200000.

The previous prime is 315445233135233. The next prime is 315445233135419. The reversal of 315445233135252 is 252531332544513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1075342374 + ... + 1075635677.

It is an arithmetic number, because the mean of its divisors is an integer number (11347843209668).

Almost surely, 2^{315445233135252} is an apocalyptic number.

It is an amenable number.

315445233135252 is an abundant number, since it is smaller than the sum of its proper divisors (501599477960844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315445233135252 is a wasteful number, since it uses less digits than its factorization.

315445233135252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150978181 (or 2150978168 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 48.

Adding to 315445233135252 its reverse (252531332544513), we get a palindrome (567976565679765).

The spelling of 315445233135252 in words is "three hundred fifteen trillion, four hundred forty-five billion, two hundred thirty-three million, one hundred thirty-five thousand, two hundred fifty-two".