189236152 has 64 divisors (see below), whose sum is σ = 425687040. Its totient is φ = 77155200.

The previous prime is 189236149. The next prime is 189236171. The reversal of 189236152 is 251632981.

189236152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105003 + ... + 106789.

It is an arithmetic number, because the mean of its divisors is an integer number (6651360).

Almost surely, 2^189236152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189236152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212843520).

189236152 is an abundant number, since it is smaller than the sum of its proper divisors (236450888).

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

189236152 is a wasteful number, since it uses less digits than its factorization.

189236152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1888 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 189236152 is about 13756.3131688690. The cubic root of 189236152 is about 574.1182725604.

The spelling of 189236152 in words is "one hundred eighty-nine million, two hundred thirty-six thousand, one hundred fifty-two".