189243814152 has 32 divisors (see below), whose sum is σ = 477702838080. Its totient is φ = 62468831040.

The previous prime is 189243814093. The next prime is 189243814153. The reversal of 189243814152 is 251418342981.

It is not an unprimeable number, because it can be changed into a prime (189243814153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38274999 + ... + 38279942.

It is an arithmetic number, because the mean of its divisors is an integer number (14928213690).

Almost surely, 2^189243814152 is an apocalyptic number.

189243814152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189243814152 is an abundant number, since it is smaller than the sum of its proper divisors (288459023928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189243814152 is a wasteful number, since it uses less digits than its factorization.

189243814152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555053 (or 76555049 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 189243814152 in words is "one hundred eighty-nine billion, two hundred forty-three million, eight hundred fourteen thousand, one hundred fifty-two".