149772732 has 12 divisors (see below), whose sum is σ = 349469736. Its totient is φ = 49924240.

The previous prime is 149772731. The next prime is 149772761. The reversal of 149772732 is 237277941.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149772731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6240519 + ... + 6240542.

It is an arithmetic number, because the mean of its divisors is an integer number (29122478).

Almost surely, 2^149772732 is an apocalyptic number.

149772732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149772732 is an abundant number, since it is smaller than the sum of its proper divisors (199697004).

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

149772732 is a wasteful number, since it uses less digits than its factorization.

149772732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481068 (or 12481066 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 149772732 is about 12238.1670196153. The cubic root of 149772732 is about 531.0608064115.

The spelling of 149772732 in words is "one hundred forty-nine million, seven hundred seventy-two thousand, seven hundred thirty-two".