45645986 has 16 divisors (see below), whose sum is σ = 73179936. Its totient is φ = 21278016.

The previous prime is 45645983. The next prime is 45645989. The reversal of 45645986 is 68954654.

It is an interprime number because it is at equal distance from previous prime (45645983) and next prime (45645989).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45645986.

It is not an unprimeable number, because it can be changed into a prime (45645983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (4573746).

Almost surely, 2^45645986 is an apocalyptic number.

45645986 is a deficient number, since it is larger than the sum of its proper divisors (27533950).

45645986 is a wasteful number, since it uses less digits than its factorization.

45645986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673.

The product of its digits is 1036800, while the sum is 47.

The square root of 45645986 is about 6756.1813178748. The cubic root of 45645986 is about 357.3832529931.

The spelling of 45645986 in words is "forty-five million, six hundred forty-five thousand, nine hundred eighty-six".