315450556621452 has 144 divisors (see below), whose sum is σ = 911673538094592. Its totient is φ = 90091952282880.

The previous prime is 315450556621429. The next prime is 315450556621457. The reversal of 315450556621452 is 254126655054513.

315450556621452 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 5 + 0 + 5 + 5 + 6 + 621 + 4 + 5 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (315450556621457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15293079163 + ... + 15293099789.

It is an arithmetic number, because the mean of its divisors is an integer number (6331066236768).

Almost surely, 2^{315450556621452} is an apocalyptic number.

It is an amenable number.

315450556621452 is an abundant number, since it is smaller than the sum of its proper divisors (596222981473140).

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

315450556621452 is a wasteful number, since it uses less digits than its factorization.

315450556621452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42468 (or 42463 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 54.

The spelling of 315450556621452 in words is "three hundred fifteen trillion, four hundred fifty billion, five hundred fifty-six million, six hundred twenty-one thousand, four hundred fifty-two".