186064045 has 4 divisors (see below), whose sum is σ = 223276860. Its totient is φ = 148851232.

The previous prime is 186064007. The next prime is 186064057. The reversal of 186064045 is 540460681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147549609 + 38514436 = 12147^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 186064045 - 2⁹ = 186063533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 186064045.

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, 18606400 + ... + 18606409.

It is an arithmetic number, because the mean of its divisors is an integer number (55819215).

Almost surely, 2^186064045 is an apocalyptic number.

It is an amenable number.

186064045 is a deficient number, since it is larger than the sum of its proper divisors (37212815).

186064045 is an equidigital number, since it uses as much as digits as its factorization.

186064045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37212814.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 186064045 is about 13640.5294985202. The cubic root of 186064045 is about 570.8922570227.

The spelling of 186064045 in words is "one hundred eighty-six million, sixty-four thousand, forty-five".