2015156 has 36 divisors (see below), whose sum is σ = 4181184. Its totient is φ = 842400.

The previous prime is 2015149. The next prime is 2015161. The reversal of 2015156 is 6515102.

2015156 is nontrivially palindromic in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7301 + ... + 7571.

It is an arithmetic number, because the mean of its divisors is an integer number (116144).

2^2015156 is an apocalyptic number.

2015156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2015156 is an abundant number, since it is smaller than the sum of its proper divisors (2166028).

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

2015156 is a wasteful number, since it uses less digits than its factorization.

2015156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2015156 is about 1419.5619042507. The cubic root of 2015156 is about 126.3095604994.

The spelling of 2015156 in words is "two million, fifteen thousand, one hundred fifty-six".