189048242185 has 48 divisors (see below), whose sum is σ = 251839506240. Its totient is φ = 135109434240.

The previous prime is 189048242153. The next prime is 189048242197. The reversal of 189048242185 is 581242840981.

It is not a de Polignac number, because 189048242185 - 2⁵ = 189048242153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152827387 + ... + 152828623.

It is an arithmetic number, because the mean of its divisors is an integer number (5246656380).

Almost surely, 2^189048242185 is an apocalyptic number.

It is an amenable number.

189048242185 is a deficient number, since it is larger than the sum of its proper divisors (62791264055).

189048242185 is a wasteful number, since it uses less digits than its factorization.

189048242185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 189048242185 in words is "one hundred eighty-nine billion, forty-eight million, two hundred forty-two thousand, one hundred eighty-five".