149029868 has 24 divisors (see below), whose sum is σ = 281407392. Its totient is φ = 68649984.

The previous prime is 149029847. The next prime is 149029879. The reversal of 149029868 is 868920941.

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, 27521 + ... + 32487.

It is an arithmetic number, because the mean of its divisors is an integer number (11725308).

Almost surely, 2^149029868 is an apocalyptic number.

It is an amenable number.

149029868 is a deficient number, since it is larger than the sum of its proper divisors (132377524).

149029868 is a wasteful number, since it uses less digits than its factorization.

149029868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 149029868 is about 12207.7789953783. The cubic root of 149029868 is about 530.1813405813.

The spelling of 149029868 in words is "one hundred forty-nine million, twenty-nine thousand, eight hundred sixty-eight".