315055142 has 4 divisors (see below), whose sum is σ = 472582716. Its totient is φ = 157527570.

The previous prime is 315055141. The next prime is 315055157. The reversal of 315055142 is 241550513.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78763784 + ... + 78763787.

It is an arithmetic number, because the mean of its divisors is an integer number (118145679).

Almost surely, 2^315055142 is an apocalyptic number.

315055142 is a deficient number, since it is larger than the sum of its proper divisors (157527574).

315055142 is a wasteful number, since it uses less digits than its factorization.

315055142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157527573.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 315055142 is about 17749.7927311842. The cubic root of 315055142 is about 680.4489120564.

The spelling of 315055142 in words is "three hundred fifteen million, fifty-five thousand, one hundred forty-two".