315806148 has 48 divisors (see below), whose sum is σ = 935724160. Its totient is φ = 90230112.

The previous prime is 315806131. The next prime is 315806167. The reversal of 315806148 is 841608513.

315806148 is a `hidden beast` number, since 31 + 5 + 8 + 0 + 614 + 8 = 666.

It is a super-2 number, since 2×315806148² = 199467046229195808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208111 + ... + 209622.

Almost surely, 2^315806148 is an apocalyptic number.

It is an amenable number.

315806148 is an abundant number, since it is smaller than the sum of its proper divisors (619918012).

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

315806148 is a wasteful number, since it uses less digits than its factorization.

315806148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417753 (or 417745 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 315806148 is about 17770.9354846615. The cubic root of 315806148 is about 680.9891515670.

The spelling of 315806148 in words is "three hundred fifteen million, eight hundred six thousand, one hundred forty-eight".