189101044 has 24 divisors (see below), whose sum is σ = 361662336. Its totient is φ = 85800000.

The previous prime is 189101039. The next prime is 189101051. The reversal of 189101044 is 440101981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22869 + ... + 30019.

It is an arithmetic number, because the mean of its divisors is an integer number (15069264).

Almost surely, 2^189101044 is an apocalyptic number.

It is an amenable number.

189101044 is a deficient number, since it is larger than the sum of its proper divisors (172561292).

189101044 is a wasteful number, since it uses less digits than its factorization.

189101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767 (or 7765 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 189101044 is about 13751.4015285716. The cubic root of 189101044 is about 573.9816065686.

The spelling of 189101044 in words is "one hundred eighty-nine million, one hundred one thousand, forty-four".