186012045 has 40 divisors (see below), whose sum is σ = 353071224. Its totient is φ = 93367296.

The previous prime is 186012031. The next prime is 186012053. The reversal of 186012045 is 540210681.

186012045 is a `hidden beast` number, since 18 + 601 + 2 + 0 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 94828644 + 91183401 = 9738^2 + 9549^2 .

It is not a de Polignac number, because 186012045 - 2⁶ = 186011981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6624 + ... + 20393.

Almost surely, 2^186012045 is an apocalyptic number.

186012045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

186012045 is a deficient number, since it is larger than the sum of its proper divisors (167059179).

186012045 is a wasteful number, since it uses less digits than its factorization.

186012045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27051 (or 27042 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 186012045 is about 13638.6232809620. The cubic root of 186012045 is about 570.8390689510.

The spelling of 186012045 in words is "one hundred eighty-six million, twelve thousand, forty-five".