149138432 has 22 divisors (see below), whose sum is σ = 298133268. Its totient is φ = 74568704.

The previous prime is 149138413. The next prime is 149138447. The reversal of 149138432 is 234831941.

It is a junction number, because it is equal to n+sod(n) for n = 149138392 and 149138401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71798 + ... + 73845.

Almost surely, 2^149138432 is an apocalyptic number.

It is an amenable number.

149138432 is a deficient number, since it is larger than the sum of its proper divisors (148994836).

149138432 is an equidigital number, since it uses as much as digits as its factorization.

149138432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145663 (or 145645 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 149138432 is about 12212.2246949522. The cubic root of 149138432 is about 530.3100499845.

The spelling of 149138432 in words is "one hundred forty-nine million, one hundred thirty-eight thousand, four hundred thirty-two".