189156 has 24 divisors (see below), whose sum is σ = 481824. Its totient is φ = 57280.

The previous prime is 189151. The next prime is 189169. The reversal of 189156 is 651981.

It is a happy number.

189156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189151) 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, 585 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (20076).

2¹⁸⁹¹⁵⁶ is an apocalyptic number.

It is an amenable number.

189156 is an abundant number, since it is smaller than the sum of its proper divisors (292668).

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

189156 is a wasteful number, since it uses less digits than its factorization.

189156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1449 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 189156 is about 434.9206824238. The cubic root of 189156 is about 57.4037204143.

The spelling of 189156 in words is "one hundred eighty-nine thousand, one hundred fifty-six".