149899857024 has 64 divisors (see below), whose sum is σ = 415483323840. Its totient is φ = 47794154496.

The previous prime is 149899857013. The next prime is 149899857031. The reversal of 149899857024 is 420758998941.

149899857024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 8477347 + ... + 8495010.

It is an arithmetic number, because the mean of its divisors is an integer number (6491926935).

Almost surely, 2^149899857024 is an apocalyptic number.

It is an amenable number.

149899857024 is an abundant number, since it is smaller than the sum of its proper divisors (265583466816).

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

149899857024 is a wasteful number, since it uses less digits than its factorization.

149899857024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16972397 (or 16972385 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 66.

The spelling of 149899857024 in words is "one hundred forty-nine billion, eight hundred ninety-nine million, eight hundred fifty-seven thousand, twenty-four".