315090545 has 32 divisors (see below), whose sum is σ = 478089216. Its totient is φ = 193636800.

The previous prime is 315090521. The next prime is 315090553. The reversal of 315090545 is 545090513.

It is not a de Polignac number, because 315090545 - 2¹⁸ = 314828401 is a prime.

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, 21572 + ... + 33098.

It is an arithmetic number, because the mean of its divisors is an integer number (14940288).

Almost surely, 2^315090545 is an apocalyptic number.

315090545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315090545 is a deficient number, since it is larger than the sum of its proper divisors (162998671).

315090545 is a wasteful number, since it uses less digits than its factorization.

315090545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 315090545 is about 17750.7899824205. The cubic root of 315090545 is about 680.4743986325.

Subtracting from 315090545 its sum of digits (32), we obtain a palindrome (315090513).

The spelling of 315090545 in words is "three hundred fifteen million, ninety thousand, five hundred forty-five".