189153075 has 24 divisors (see below), whose sum is σ = 329195200. Its totient is φ = 95571360.

The previous prime is 189153061. The next prime is 189153077. The reversal of 189153075 is 570351981.

It is not a de Polignac number, because 189153075 - 2⁵ = 189153043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189153077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64945 + ... + 67794.

Almost surely, 2^189153075 is an apocalyptic number.

189153075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189153075 is a deficient number, since it is larger than the sum of its proper divisors (140042125).

189153075 is a wasteful number, since it uses less digits than its factorization.

189153075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132771 (or 132766 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 189153075 is about 13753.2932419839. The cubic root of 189153075 is about 574.0342452667.

The spelling of 189153075 in words is "one hundred eighty-nine million, one hundred fifty-three thousand, seventy-five".