156885 has 8 divisors (see below), whose sum is σ = 251040. Its totient is φ = 83664.

The previous prime is 156841. The next prime is 156887. The reversal of 156885 is 588651.

156885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156885 - 2¹⁰ = 155861 is a prime.

It is a super-2 number, since 2×156885² = 49225806450, which contains 22 as substring.

156885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (31380).

2¹⁵⁶⁸⁸⁵ is an apocalyptic number.

156885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156885 is a deficient number, since it is larger than the sum of its proper divisors (94155).

156885 is a wasteful number, since it uses less digits than its factorization.

156885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467.

The product of its digits is 9600, while the sum is 33.

The square root of 156885 is about 396.0871116308. The cubic root of 156885 is about 53.9337321536.

It can be divided in two parts, 1568 and 85, that added together give a triangular number (1653 = T₅₇).

The spelling of 156885 in words is "one hundred fifty-six thousand, eight hundred eighty-five".