149827688 has 32 divisors (see below), whose sum is σ = 292372200. Its totient is φ = 71893248.

The previous prime is 149827669. The next prime is 149827693. The reversal of 149827688 is 886728941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 147816964 + 2010724 = 12158^2 + 1418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38270 + ... + 42002.

Almost surely, 2^149827688 is an apocalyptic number.

It is an amenable number.

149827688 is a deficient number, since it is larger than the sum of its proper divisors (142544512).

149827688 is a wasteful number, since it uses less digits than its factorization.

149827688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3937 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 149827688 is about 12240.4120845664. The cubic root of 149827688 is about 531.1257523876.

The spelling of 149827688 in words is "one hundred forty-nine million, eight hundred twenty-seven thousand, six hundred eighty-eight".