189163245 has 16 divisors (see below), whose sum is σ = 302902272. Its totient is φ = 100806720.

The previous prime is 189163223. The next prime is 189163291. The reversal of 189163245 is 542361981.

It is not a de Polignac number, because 189163245 - 2⁵ = 189163213 is a prime.

It is a super-3 number, since 3×189163245³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17779 + ... + 26351.

It is an arithmetic number, because the mean of its divisors is an integer number (18931392).

Almost surely, 2^189163245 is an apocalyptic number.

189163245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189163245 is a deficient number, since it is larger than the sum of its proper divisors (113739027).

189163245 is a wasteful number, since it uses less digits than its factorization.

189163245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052.

The product of its digits is 51840, while the sum is 39.

The square root of 189163245 is about 13753.6629666427. The cubic root of 189163245 is about 574.0445329198.

The spelling of 189163245 in words is "one hundred eighty-nine million, one hundred sixty-three thousand, two hundred forty-five".