149525866 has 16 divisors (see below), whose sum is σ = 258728256. Its totient is φ = 63482976.

The previous prime is 149525861. The next prime is 149525867. The reversal of 149525866 is 668525941.

149525866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149525861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48411 + ... + 51406.

It is an arithmetic number, because the mean of its divisors is an integer number (16170516).

Almost surely, 2^149525866 is an apocalyptic number.

149525866 is a deficient number, since it is larger than the sum of its proper divisors (109202390).

149525866 is a wasteful number, since it uses less digits than its factorization.

149525866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99933.

The product of its digits is 518400, while the sum is 46.

The square root of 149525866 is about 12228.0769542884. The cubic root of 149525866 is about 530.7688686397.

The spelling of 149525866 in words is "one hundred forty-nine million, five hundred twenty-five thousand, eight hundred sixty-six".