149191924 has 24 divisors (see below), whose sum is σ = 299073600. Its totient is φ = 63791616.

The previous prime is 149191901. The next prime is 149191937. The reversal of 149191924 is 429191941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6639 + ... + 18505.

It is an arithmetic number, because the mean of its divisors is an integer number (12461400).

Almost surely, 2^149191924 is an apocalyptic number.

149191924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149191924 is an abundant number, since it is smaller than the sum of its proper divisors (149881676).

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

149191924 is a wasteful number, since it uses less digits than its factorization.

149191924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12327 (or 12325 counting only the distinct ones).

The product of its digits is 23328, while the sum is 40.

The square root of 149191924 is about 12214.4145991529. The cubic root of 149191924 is about 530.3734451222.

The spelling of 149191924 in words is "one hundred forty-nine million, one hundred ninety-one thousand, nine hundred twenty-four".