149415320 has 32 divisors (see below), whose sum is σ = 336538800. Its totient is φ = 59703168.

The previous prime is 149415313. The next prime is 149415341. The reversal of 149415320 is 23514941.

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, 62711 + ... + 65049.

Almost surely, 2^149415320 is an apocalyptic number.

149415320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149415320 is an abundant number, since it is smaller than the sum of its proper divisors (187123480).

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

149415320 is a wasteful number, since it uses less digits than its factorization.

149415320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 149415320 is about 12223.5559474320. Note that the first 3 decimals coincide. The cubic root of 149415320 is about 530.6380354437.

The spelling of 149415320 in words is "one hundred forty-nine million, four hundred fifteen thousand, three hundred twenty".