315845048 has 8 divisors (see below), whose sum is σ = 592209480. Its totient is φ = 157922520.

The previous prime is 315845021. The next prime is 315845051. The reversal of 315845048 is 840548513.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×315845048² = 199516188692244608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19740308 + ... + 19740323.

It is an arithmetic number, because the mean of its divisors is an integer number (74026185).

Almost surely, 2^315845048 is an apocalyptic number.

It is an amenable number.

315845048 is a deficient number, since it is larger than the sum of its proper divisors (276364432).

315845048 is a wasteful number, since it uses less digits than its factorization.

315845048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39480637 (or 39480633 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 315845048 is about 17772.0299347036. The cubic root of 315845048 is about 681.0171111139.

The spelling of 315845048 in words is "three hundred fifteen million, eight hundred forty-five thousand, forty-eight".