189545374 has 8 divisors (see below), whose sum is σ = 285962040. Its totient is φ = 94224696.

The previous prime is 189545353. The next prime is 189545383. The reversal of 189545374 is 473545981.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 273564 + ... + 274255.

It is an arithmetic number, because the mean of its divisors is an integer number (35745255).

Almost surely, 2^189545374 is an apocalyptic number.

189545374 is a deficient number, since it is larger than the sum of its proper divisors (96416666).

189545374 is a wasteful number, since it uses less digits than its factorization.

189545374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547994.

The product of its digits is 604800, while the sum is 46.

The square root of 189545374 is about 13767.5478571894. The cubic root of 189545374 is about 574.4308157125.

The spelling of 189545374 in words is "one hundred eighty-nine million, five hundred forty-five thousand, three hundred seventy-four".