189152885 has 16 divisors (see below), whose sum is σ = 244762560. Its totient is φ = 139858560.

The previous prime is 189152881. The next prime is 189152927. The reversal of 189152885 is 588251981.

It is a happy number.

It is not a de Polignac number, because 189152885 - 2² = 189152881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189152881) 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, 20387 + ... + 28176.

It is an arithmetic number, because the mean of its divisors is an integer number (15297660).

Almost surely, 2^189152885 is an apocalyptic number.

It is an amenable number.

189152885 is a deficient number, since it is larger than the sum of its proper divisors (55609675).

189152885 is a wasteful number, since it uses less digits than its factorization.

189152885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48628.

The product of its digits is 230400, while the sum is 47.

The square root of 189152885 is about 13753.2863345456. The cubic root of 189152885 is about 574.0340530652.

The spelling of 189152885 in words is "one hundred eighty-nine million, one hundred fifty-two thousand, eight hundred eighty-five".