315247148 has 24 divisors (see below), whose sum is σ = 562161600. Its totient is φ = 154640528.

The previous prime is 315247129. The next prime is 315247169. The reversal of 315247148 is 841742513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154511 + ... + 156537.

It is an arithmetic number, because the mean of its divisors is an integer number (23423400).

Almost surely, 2^315247148 is an apocalyptic number.

It is an amenable number.

315247148 is a deficient number, since it is larger than the sum of its proper divisors (246914452).

315247148 is a wasteful number, since it uses less digits than its factorization.

315247148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2747 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 315247148 is about 17755.2005902496. The cubic root of 315247148 is about 680.5871140453.

The spelling of 315247148 in words is "three hundred fifteen million, two hundred forty-seven thousand, one hundred forty-eight".