315145402552 has 128 divisors (see below), whose sum is σ = 661863882240. Its totient is φ = 139911045120.

The previous prime is 315145402543. The next prime is 315145402571. The reversal of 315145402552 is 255204541513.

It is a super-2 number, since 2×315145402552² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80659783 + ... + 80663689.

It is an arithmetic number, because the mean of its divisors is an integer number (5170811580).

Almost surely, 2^315145402552 is an apocalyptic number.

It is an amenable number.

315145402552 is an abundant number, since it is smaller than the sum of its proper divisors (346718479688).

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

315145402552 is a wasteful number, since it uses less digits than its factorization.

315145402552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 315145402552 in words is "three hundred fifteen billion, one hundred forty-five million, four hundred two thousand, five hundred fifty-two".