315929142 has 12 divisors (see below), whose sum is σ = 684513180. Its totient is φ = 105309708.

The previous prime is 315929113. The next prime is 315929147. The reversal of 315929142 is 241929513.

It is a super-2 number, since 2×315929142² = 199622445529712328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315929097 and 315929106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315929147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8775792 + ... + 8775827.

It is an arithmetic number, because the mean of its divisors is an integer number (57042765).

Almost surely, 2^315929142 is an apocalyptic number.

315929142 is an abundant number, since it is smaller than the sum of its proper divisors (368584038).

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

315929142 is a wasteful number, since it uses less digits than its factorization.

315929142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17551627 (or 17551624 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 315929142 is about 17774.3956859298. The cubic root of 315929142 is about 681.0775462031.

The spelling of 315929142 in words is "three hundred fifteen million, nine hundred twenty-nine thousand, one hundred forty-two".