149328392 has 8 divisors (see below), whose sum is σ = 279990750. Its totient is φ = 74664192.

The previous prime is 149328359. The next prime is 149328409. The reversal of 149328392 is 293823941.

It can be written as a sum of positive squares in only one way, i.e., 90744676 + 58583716 = 9526^2 + 7654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9333017 + ... + 9333032.

Almost surely, 2^149328392 is an apocalyptic number.

It is an amenable number.

149328392 is a deficient number, since it is larger than the sum of its proper divisors (130662358).

149328392 is a wasteful number, since it uses less digits than its factorization.

149328392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666055 (or 18666051 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 149328392 is about 12219.9996726678. Note that the first 3 decimals coincide. The cubic root of 149328392 is about 530.5351092478.

The spelling of 149328392 in words is "one hundred forty-nine million, three hundred twenty-eight thousand, three hundred ninety-two".