149833564 has 12 divisors (see below), whose sum is σ = 262324384. Its totient is φ = 74883744.

The previous prime is 149833553. The next prime is 149833583. The reversal of 149833564 is 465338941.

It is a self number, because there is not a number n which added to its sum of digits gives 149833564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949 + ... + 17755.

Almost surely, 2^149833564 is an apocalyptic number.

It is an amenable number.

149833564 is a deficient number, since it is larger than the sum of its proper divisors (112490820).

149833564 is a wasteful number, since it uses less digits than its factorization.

149833564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16524 (or 16522 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 149833564 is about 12240.6521068120. The cubic root of 149833564 is about 531.1326955949.

The spelling of 149833564 in words is "one hundred forty-nine million, eight hundred thirty-three thousand, five hundred sixty-four".