189437146 has 8 divisors (see below), whose sum is σ = 284467680. Its totient is φ = 94614588.

The previous prime is 189437111. The next prime is 189437153. The reversal of 189437146 is 641734981.

189437146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 49696 + ... + 53371.

It is an arithmetic number, because the mean of its divisors is an integer number (35558460).

Almost surely, 2^189437146 is an apocalyptic number.

189437146 is a deficient number, since it is larger than the sum of its proper divisors (95030534).

189437146 is a wasteful number, since it uses less digits than its factorization.

189437146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103988.

The product of its digits is 145152, while the sum is 43.

The square root of 189437146 is about 13763.6167485149. The cubic root of 189437146 is about 574.3214639982.

The spelling of 189437146 in words is "one hundred eighty-nine million, four hundred thirty-seven thousand, one hundred forty-six".