315156 has 12 divisors (see below), whose sum is σ = 735392. Its totient is φ = 105048.

The previous prime is 315127. The next prime is 315179. The reversal of 315156 is 651513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

315156 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 in 3 ways as a sum of consecutive naturals, for example, 13120 + ... + 13143.

2³¹⁵¹⁵⁶ is an apocalyptic number.

It is an amenable number.

315156 is an abundant number, since it is smaller than the sum of its proper divisors (420236).

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

315156 is a wasteful number, since it uses less digits than its factorization.

315156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26270 (or 26268 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 315156 is about 561.3875666596. The cubic root of 315156 is about 68.0521514579.

Adding to 315156 its reverse (651513), we get a palindrome (966669).

The spelling of 315156 in words is "three hundred fifteen thousand, one hundred fifty-six".