189033158 has 4 divisors (see below), whose sum is σ = 283549740. Its totient is φ = 94516578.

The previous prime is 189033157. The next prime is 189033193. The reversal of 189033158 is 851330981.

189033158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47258288 + ... + 47258291.

It is an arithmetic number, because the mean of its divisors is an integer number (70887435).

Almost surely, 2^189033158 is an apocalyptic number.

189033158 is a deficient number, since it is larger than the sum of its proper divisors (94516582).

189033158 is an equidigital number, since it uses as much as digits as its factorization.

189033158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94516581.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 189033158 is about 13748.9329767804. The cubic root of 189033158 is about 573.9129131720.

The spelling of 189033158 in words is "one hundred eighty-nine million, thirty-three thousand, one hundred fifty-eight".