149330988 has 18 divisors (see below), whose sum is σ = 377475644. Its totient is φ = 49776984.

The previous prime is 149330971. The next prime is 149331023. The reversal of 149330988 is 889033941.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×149330988² = 44599487954112288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2074006 + ... + 2074077.

Almost surely, 2^149330988 is an apocalyptic number.

149330988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149330988 is an abundant number, since it is smaller than the sum of its proper divisors (228144656).

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

149330988 is a wasteful number, since it uses less digits than its factorization.

149330988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148093 (or 4148088 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 149330988 is about 12220.1058915216. The cubic root of 149330988 is about 530.5381835932.

The spelling of 149330988 in words is "one hundred forty-nine million, three hundred thirty thousand, nine hundred eighty-eight".