149972636512 has 24 divisors (see below), whose sum is σ = 295415051400. Its totient is φ = 74946591744.

The previous prime is 149972636459. The next prime is 149972636531. The reversal of 149972636512 is 215636279941.

It is a super-2 number, since 2×149972636512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180062 + ... + 1300957.

It is an arithmetic number, because the mean of its divisors is an integer number (12308960475).

Almost surely, 2^149972636512 is an apocalyptic number.

It is an amenable number.

149972636512 is a deficient number, since it is larger than the sum of its proper divisors (145442414888).

149972636512 is a wasteful number, since it uses less digits than its factorization.

149972636512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482918 (or 2482910 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The spelling of 149972636512 in words is "one hundred forty-nine billion, nine hundred seventy-two million, six hundred thirty-six thousand, five hundred twelve".