149451128 has 16 divisors (see below), whose sum is σ = 283598280. Its totient is φ = 73824928.

The previous prime is 149451119. The next prime is 149451143. The reversal of 149451128 is 821154941.

It is a congruent number.

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, 111875 + ... + 113202.

Almost surely, 2^149451128 is an apocalyptic number.

It is an amenable number.

149451128 is a deficient number, since it is larger than the sum of its proper divisors (134147152).

149451128 is a wasteful number, since it uses less digits than its factorization.

149451128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225166 (or 225162 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 149451128 is about 12225.0205725798. The cubic root of 149451128 is about 530.6804219252.

The spelling of 149451128 in words is "one hundred forty-nine million, four hundred fifty-one thousand, one hundred twenty-eight".