149406988 has 12 divisors (see below), whose sum is σ = 272830320. Its totient is φ = 71455472.

The previous prime is 149406923. The next prime is 149407001. The reversal of 149406988 is 889604941.

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 3 ways as a sum of consecutive naturals, for example, 811903 + ... + 812086.

It is an arithmetic number, because the mean of its divisors is an integer number (22735860).

Almost surely, 2^149406988 is an apocalyptic number.

It is an amenable number.

149406988 is a deficient number, since it is larger than the sum of its proper divisors (123423332).

149406988 is a wasteful number, since it uses less digits than its factorization.

149406988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624016 (or 1624014 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 149406988 is about 12223.2151253261. The cubic root of 149406988 is about 530.6281717557.

The spelling of 149406988 in words is "one hundred forty-nine million, four hundred six thousand, nine hundred eighty-eight".