315474442 has 16 divisors (see below), whose sum is σ = 505137600. Its totient is φ = 147329280.

The previous prime is 315474437. The next prime is 315474443. The reversal of 315474442 is 244474513.

It is a super-2 number, since 2×315474442² = 199048247110422728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315474398 and 315474407.

It is not an unprimeable number, because it can be changed into a prime (315474443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55767 + ... + 61162.

It is an arithmetic number, because the mean of its divisors is an integer number (31571100).

Almost surely, 2^315474442 is an apocalyptic number.

315474442 is a deficient number, since it is larger than the sum of its proper divisors (189663158).

315474442 is a wasteful number, since it uses less digits than its factorization.

315474442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117021.

The product of its digits is 53760, while the sum is 34.

The square root of 315474442 is about 17761.6002094406. The cubic root of 315474442 is about 680.7506431000.

The spelling of 315474442 in words is "three hundred fifteen million, four hundred seventy-four thousand, four hundred forty-two".