189512044 has 12 divisors (see below), whose sum is σ = 334033000. Its totient is φ = 94074048.

The previous prime is 189512041. The next prime is 189512053. The reversal of 189512044 is 440215981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189512041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169869 + ... + 170980.

Almost surely, 2^189512044 is an apocalyptic number.

It is an amenable number.

189512044 is a deficient number, since it is larger than the sum of its proper divisors (144520956).

189512044 is a wasteful number, since it uses less digits than its factorization.

189512044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340992 (or 340990 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 189512044 is about 13766.3373487649. The cubic root of 189512044 is about 574.3971440890.

The spelling of 189512044 in words is "one hundred eighty-nine million, five hundred twelve thousand, forty-four".