149991959256 has 32 divisors (see below), whose sum is σ = 376943155200. Its totient is φ = 49735552160.

The previous prime is 149991959239. The next prime is 149991959263. The reversal of 149991959256 is 652959199941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16355796 + ... + 16364963.

It is an arithmetic number, because the mean of its divisors is an integer number (11779473600).

Almost surely, 2^149991959256 is an apocalyptic number.

It is an amenable number.

149991959256 is an abundant number, since it is smaller than the sum of its proper divisors (226951195944).

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

149991959256 is a wasteful number, since it uses less digits than its factorization.

149991959256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32720959 (or 32720955 counting only the distinct ones).

The product of its digits is 70858800, while the sum is 69.

The spelling of 149991959256 in words is "one hundred forty-nine billion, nine hundred ninety-one million, nine hundred fifty-nine thousand, two hundred fifty-six".