149573544924 has 12 divisors (see below), whose sum is σ = 349004938184. Its totient is φ = 49857848304.

The previous prime is 149573544907. The next prime is 149573544943. The reversal of 149573544924 is 429445375941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×149573544924² (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, 6232231027 + ... + 6232231050.

Almost surely, 2^149573544924 is an apocalyptic number.

It is an amenable number.

149573544924 is an abundant number, since it is smaller than the sum of its proper divisors (199431393260).

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

149573544924 is a wasteful number, since it uses less digits than its factorization.

149573544924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464462084 (or 12464462082 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 149573544924 in words is "one hundred forty-nine billion, five hundred seventy-three million, five hundred forty-four thousand, nine hundred twenty-four".