189033159 has 16 divisors (see below), whose sum is σ = 300575232. Its totient is φ = 103322208.

The previous prime is 189033157. The next prime is 189033193. The reversal of 189033159 is 951330981.

189033159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189033159 - 2¹ = 189033157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189033151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195204 + ... + 196169.

It is an arithmetic number, because the mean of its divisors is an integer number (18785952).

Almost surely, 2^189033159 is an apocalyptic number.

189033159 is a deficient number, since it is larger than the sum of its proper divisors (111542073).

189033159 is a wasteful number, since it uses less digits than its factorization.

189033159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391406.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 189033159 is about 13748.9330131469. The cubic root of 189033159 is about 573.9129141841.

The spelling of 189033159 in words is "one hundred eighty-nine million, thirty-three thousand, one hundred fifty-nine".