185342564 has 12 divisors (see below), whose sum is σ = 353835888. Its totient is φ = 84246600.

The previous prime is 185342557. The next prime is 185342593. The reversal of 185342564 is 465243581.

185342564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106122 + ... + 2106209.

It is an arithmetic number, because the mean of its divisors is an integer number (29486324).

Almost surely, 2^185342564 is an apocalyptic number.

It is an amenable number.

185342564 is a deficient number, since it is larger than the sum of its proper divisors (168493324).

185342564 is a wasteful number, since it uses less digits than its factorization.

185342564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212346 (or 4212344 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 185342564 is about 13614.0575876555. The cubic root of 185342564 is about 570.1534048988.

The spelling of 185342564 in words is "one hundred eighty-five million, three hundred forty-two thousand, five hundred sixty-four".