189112458 has 16 divisors (see below), whose sum is σ = 383870880. Its totient is φ = 62096496.

The previous prime is 189112457. The next prime is 189112477. The reversal of 189112458 is 854211981.

It is not an unprimeable number, because it can be changed into a prime (189112457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234813 + ... + 235616.

It is an arithmetic number, because the mean of its divisors is an integer number (23991930).

Almost surely, 2^189112458 is an apocalyptic number.

189112458 is an abundant number, since it is smaller than the sum of its proper divisors (194758422).

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

189112458 is a wasteful number, since it uses less digits than its factorization.

189112458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470501.

The product of its digits is 23040, while the sum is 39.

The square root of 189112458 is about 13751.8165345528. The cubic root of 189112458 is about 573.9931547056.

The spelling of 189112458 in words is "one hundred eighty-nine million, one hundred twelve thousand, four hundred fifty-eight".