45645863 has 2 divisors, whose sum is σ = 45645864. Its totient is φ = 45645862.

The previous prime is 45645791. The next prime is 45645889. The reversal of 45645863 is 36854654.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45645863 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45645863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45645563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22822931 + 22822932.

It is an arithmetic number, because the mean of its divisors is an integer number (22822932).

Almost surely, 2^45645863 is an apocalyptic number.

45645863 is a deficient number, since it is larger than the sum of its proper divisors (1).

45645863 is an equidigital number, since it uses as much as digits as its factorization.

45645863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 45645863 is about 6756.1722150934. The cubic root of 45645863 is about 357.3829319851.

The spelling of 45645863 in words is "forty-five million, six hundred forty-five thousand, eight hundred sixty-three".