149656238972 has 24 divisors (see below), whose sum is σ = 271398744960. Its totient is φ = 72132526080.

The previous prime is 149656238971. The next prime is 149656238981. The reversal of 149656238972 is 279832656941.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149656238971) 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, 2316197 + ... + 2379932.

It is an arithmetic number, because the mean of its divisors is an integer number (11308281040).

Almost surely, 2^149656238972 is an apocalyptic number.

It is an amenable number.

149656238972 is a deficient number, since it is larger than the sum of its proper divisors (121742505988).

149656238972 is a wasteful number, since it uses less digits than its factorization.

149656238972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696421 (or 4696419 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The spelling of 149656238972 in words is "one hundred forty-nine billion, six hundred fifty-six million, two hundred thirty-eight thousand, nine hundred seventy-two".