149433078931 has 32 divisors (see below), whose sum is σ = 159638814720. Its totient is φ = 139627929600.

The previous prime is 149433078871. The next prime is 149433078941. The reversal of 149433078931 is 139870334941.

It is a cyclic number.

It is not a de Polignac number, because 149433078931 - 2²⁷ = 149298861203 is a prime.

It is a super-2 number, since 2×149433078931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149433078941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168469770 + ... + 168470656.

It is an arithmetic number, because the mean of its divisors is an integer number (4988712960).

Almost surely, 2^149433078931 is an apocalyptic number.

149433078931 is a deficient number, since it is larger than the sum of its proper divisors (10205735789).

149433078931 is a wasteful number, since it uses less digits than its factorization.

149433078931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 149433078931 in words is "one hundred forty-nine billion, four hundred thirty-three million, seventy-eight thousand, nine hundred thirty-one".