315032400445 has 32 divisors (see below), whose sum is σ = 454828135680. Its totient is φ = 204632593920.

The previous prime is 315032400413. The next prime is 315032400479. The reversal of 315032400445 is 544004230513.

It is not a de Polignac number, because 315032400445 - 2⁵ = 315032400413 is a prime.

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, 10087755 + ... + 10118935.

It is an arithmetic number, because the mean of its divisors is an integer number (14213379240).

Almost surely, 2^315032400445 is an apocalyptic number.

315032400445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315032400445 is a deficient number, since it is larger than the sum of its proper divisors (139795735235).

315032400445 is a wasteful number, since it uses less digits than its factorization.

315032400445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46405.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 315032400445 its reverse (544004230513), we get a palindrome (859036630958).

The spelling of 315032400445 in words is "three hundred fifteen billion, thirty-two million, four hundred thousand, four hundred forty-five".