149590566 has 48 divisors (see below), whose sum is σ = 333485568. Its totient is φ = 48438000.

The previous prime is 149590559. The next prime is 149590579. The reversal of 149590566 is 665095941.

It is a happy number.

149590566 is a `hidden beast` number, since 1 + 4 + 9 + 590 + 56 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127161 + ... + 128331.

It is an arithmetic number, because the mean of its divisors is an integer number (6947616).

Almost surely, 2^149590566 is an apocalyptic number.

149590566 is an abundant number, since it is smaller than the sum of its proper divisors (183895002).

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

149590566 is a wasteful number, since it uses less digits than its factorization.

149590566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 149590566 is about 12230.7222190679. The cubic root of 149590566 is about 530.8454123504.

The spelling of 149590566 in words is "one hundred forty-nine million, five hundred ninety thousand, five hundred sixty-six".