189641153 has 6 divisors (see below), whose sum is σ = 205351254. Its totient is φ = 175053216.

The previous prime is 189641149. The next prime is 189641183. The reversal of 189641153 is 351146981.

189641153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6390784 + 183250369 = 2528^2 + 13537^2 .

It is not a de Polignac number, because 189641153 - 2² = 189641149 is a prime.

It is a super-2 number, since 2×189641153² = 71927533822338818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189641183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560900 + ... + 561237.

It is an arithmetic number, because the mean of its divisors is an integer number (34225209).

Almost surely, 2^189641153 is an apocalyptic number.

189641153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189641153 is a deficient number, since it is larger than the sum of its proper divisors (15710101).

189641153 is a wasteful number, since it uses less digits than its factorization.

189641153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122163 (or 1122150 counting only the distinct ones).

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

The square root of 189641153 is about 13771.0258514026. The cubic root of 189641153 is about 574.5275544572.

The spelling of 189641153 in words is "one hundred eighty-nine million, six hundred forty-one thousand, one hundred fifty-three".