45612813 has 8 divisors (see below), whose sum is σ = 61010208. Its totient is φ = 30311984.

The previous prime is 45612799. The next prime is 45612821. The reversal of 45612813 is 31821654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45612813 - 2⁴ = 45612797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612883) 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, 23031 + ... + 24932.

It is an arithmetic number, because the mean of its divisors is an integer number (7626276).

Almost surely, 2^45612813 is an apocalyptic number.

It is an amenable number.

45612813 is a deficient number, since it is larger than the sum of its proper divisors (15397395).

45612813 is a wasteful number, since it uses less digits than its factorization.

45612813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48283.

The product of its digits is 5760, while the sum is 30.

The square root of 45612813 is about 6753.7258605898. The cubic root of 45612813 is about 357.2966564939.

The spelling of 45612813 in words is "forty-five million, six hundred twelve thousand, eight hundred thirteen".