189015795 has 64 divisors (see below), whose sum is σ = 350208000. Its totient is φ = 96640128.

The previous prime is 189015767. The next prime is 189015803. The reversal of 189015795 is 597510981.

189015795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189015795 - 2⁶ = 189015731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 189015795.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394366 + ... + 394844.

It is an arithmetic number, because the mean of its divisors is an integer number (5472000).

Almost surely, 2^189015795 is an apocalyptic number.

189015795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189015795 is a deficient number, since it is larger than the sum of its proper divisors (161192205).

189015795 is a wasteful number, since it uses less digits than its factorization.

189015795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 189015795 is about 13748.3015314620. The cubic root of 189015795 is about 573.8953410256.

The spelling of 189015795 in words is "one hundred eighty-nine million, fifteen thousand, seven hundred ninety-five".