149247771832 has 32 divisors (see below), whose sum is σ = 296323006320. Its totient is φ = 70228963840.

The previous prime is 149247771787. The next prime is 149247771833. The reversal of 149247771832 is 238177742941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149247771833) 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, 2232963 + ... + 2298829.

Almost surely, 2^149247771832 is an apocalyptic number.

It is an amenable number.

149247771832 is a deficient number, since it is larger than the sum of its proper divisors (147075234488).

149247771832 is a wasteful number, since it uses less digits than its factorization.

149247771832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82551 (or 82547 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The spelling of 149247771832 in words is "one hundred forty-nine billion, two hundred forty-seven million, seven hundred seventy-one thousand, eight hundred thirty-two".