149255128 has 16 divisors (see below), whose sum is σ = 305294760. Its totient is φ = 67843200.

The previous prime is 149255059. The next prime is 149255131. The reversal of 149255128 is 821552941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847953 + ... + 848128.

Almost surely, 2^149255128 is an apocalyptic number.

It is an amenable number.

149255128 is an abundant number, since it is smaller than the sum of its proper divisors (156039632).

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

149255128 is a wasteful number, since it uses less digits than its factorization.

149255128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696098 (or 1696094 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 149255128 is about 12217.0015961364. The cubic root of 149255128 is about 530.4483307454.

The spelling of 149255128 in words is "one hundred forty-nine million, two hundred fifty-five thousand, one hundred twenty-eight".