150308391972 has 24 divisors (see below), whose sum is σ = 371350145376. Its totient is φ = 47155573888.

The previous prime is 150308391929. The next prime is 150308391977. The reversal of 150308391972 is 279193803051.

It is a super-2 number, since 2×150308391972² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150308391977) 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, 368402718 + ... + 368403125.

It is an arithmetic number, because the mean of its divisors is an integer number (15472922724).

Almost surely, 2^150308391972 is an apocalyptic number.

150308391972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

150308391972 is an abundant number, since it is smaller than the sum of its proper divisors (221041753404).

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

150308391972 is a wasteful number, since it uses less digits than its factorization.

150308391972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736805867 (or 736805865 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 150308391972 in words is "one hundred fifty billion, three hundred eight million, three hundred ninety-one thousand, nine hundred seventy-two".