45664985 has 4 divisors (see below), whose sum is σ = 54797988. Its totient is φ = 36531984.

The previous prime is 45664979. The next prime is 45664991. The reversal of 45664985 is 58946654.

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

It is an interprime number because it is at equal distance from previous prime (45664979) and next prime (45664991).

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 20394256 = 5027^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 45664985 - 2¹² = 45660889 is a prime.

It is a Duffinian 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, 4566494 + ... + 4566503.

It is an arithmetic number, because the mean of its divisors is an integer number (13699497).

Almost surely, 2^45664985 is an apocalyptic number.

It is an amenable number.

45664985 is a deficient number, since it is larger than the sum of its proper divisors (9133003).

45664985 is an equidigital number, since it uses as much as digits as its factorization.

45664985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133002.

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

The square root of 45664985 is about 6757.5872173432. The cubic root of 45664985 is about 357.4328300622.

The spelling of 45664985 in words is "forty-five million, six hundred sixty-four thousand, nine hundred eighty-five".