45185963 has 2 divisors, whose sum is σ = 45185964. Its totient is φ = 45185962.

The previous prime is 45185953. The next prime is 45185989. The reversal of 45185963 is 36958154.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45185963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45185963.

It is not a weakly prime, because it can be changed into another prime (45185953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22592981 + 22592982.

It is an arithmetic number, because the mean of its divisors is an integer number (22592982).

Almost surely, 2^45185963 is an apocalyptic number.

45185963 is a deficient number, since it is larger than the sum of its proper divisors (1).

45185963 is an equidigital number, since it uses as much as digits as its factorization.

45185963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 45185963 is about 6722.0505056121. The cubic root of 45185963 is about 356.1786204380.

The spelling of 45185963 in words is "forty-five million, one hundred eighty-five thousand, nine hundred sixty-three".