149253168 has 20 divisors (see below), whose sum is σ = 385570808. Its totient is φ = 49751040.

The previous prime is 149253157. The next prime is 149253179. The reversal of 149253168 is 861352941.

It is an interprime number because it is at equal distance from previous prime (149253157) and next prime (149253179).

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, 1554673 + ... + 1554768.

Almost surely, 2^149253168 is an apocalyptic number.

It is an amenable number.

149253168 is an abundant number, since it is smaller than the sum of its proper divisors (236317640).

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

149253168 is a wasteful number, since it uses less digits than its factorization.

149253168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109452 (or 3109446 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 149253168 is about 12216.9213797912. The cubic root of 149253168 is about 530.4460088078.

The spelling of 149253168 in words is "one hundred forty-nine million, two hundred fifty-three thousand, one hundred sixty-eight".