149432940 has 72 divisors (see below), whose sum is σ = 468926640. Its totient is φ = 38473344.

The previous prime is 149432939. The next prime is 149432953. The reversal of 149432940 is 49234941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149432895 and 149432904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9094 + ... + 19533.

It is an arithmetic number, because the mean of its divisors is an integer number (6512870).

Almost surely, 2^149432940 is an apocalyptic number.

149432940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149432940 is an abundant number, since it is smaller than the sum of its proper divisors (319493700).

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

149432940 is a wasteful number, since it uses less digits than its factorization.

149432940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 149432940 is about 12224.2766657173. The cubic root of 149432940 is about 530.6588933554.

The spelling of 149432940 in words is "one hundred forty-nine million, four hundred thirty-two thousand, nine hundred forty".