189245944 has 16 divisors (see below), whose sum is σ = 355096800. Its totient is φ = 94553472.

The previous prime is 189245939. The next prime is 189245963. The reversal of 189245944 is 449542981.

It is a super-2 number, since 2×189245944² = 71628054640902272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189245894 and 189245903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969 + ... + 19855.

It is an arithmetic number, because the mean of its divisors is an integer number (22193550).

Almost surely, 2^189245944 is an apocalyptic number.

It is an amenable number.

189245944 is a deficient number, since it is larger than the sum of its proper divisors (165850856).

189245944 is a wasteful number, since it uses less digits than its factorization.

189245944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17382 (or 17378 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 189245944 is about 13756.6690735803. The cubic root of 189245944 is about 574.1281749480.

The spelling of 189245944 in words is "one hundred eighty-nine million, two hundred forty-five thousand, nine hundred forty-four".