45786591 has 6 divisors (see below), whose sum is σ = 66136200. Its totient is φ = 30524388.

The previous prime is 45786547. The next prime is 45786623. The reversal of 45786591 is 19568754.

45786591 is a `hidden beast` number, since 4 + 57 + 8 + 6 + 591 = 666.

It is not a de Polignac number, because 45786591 - 2¹⁵ = 45753823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45786991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2543691 + ... + 2543708.

It is an arithmetic number, because the mean of its divisors is an integer number (11022700).

Almost surely, 2^45786591 is an apocalyptic number.

45786591 is a deficient number, since it is larger than the sum of its proper divisors (20349609).

45786591 is a wasteful number, since it uses less digits than its factorization.

45786591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087405 (or 5087402 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 45786591 is about 6766.5789731592. The cubic root of 45786591 is about 357.7498304245.

The spelling of 45786591 in words is "forty-five million, seven hundred eighty-six thousand, five hundred ninety-one".