315158 has 4 divisors (see below), whose sum is σ = 472740. Its totient is φ = 157578.

The previous prime is 315127. The next prime is 315179. The reversal of 315158 is 851513.

315158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

315158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78788 + ... + 78791.

It is an arithmetic number, because the mean of its divisors is an integer number (118185).

2³¹⁵¹⁵⁸ is an apocalyptic number.

315158 is a deficient number, since it is larger than the sum of its proper divisors (157582).

315158 is a wasteful number, since it uses less digits than its factorization.

315158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157581.

The product of its digits is 600, while the sum is 23.

The square root of 315158 is about 561.3893479574. The cubic root of 315158 is about 68.0522954120.

It can be divided in two parts, 315 and 158, that multiplied together give a triangular number (49770 = T₃₁₅).

The spelling of 315158 in words is "three hundred fifteen thousand, one hundred fifty-eight".