45193859 has 2 divisors, whose sum is σ = 45193860. Its totient is φ = 45193858.

The previous prime is 45193831. The next prime is 45193867. The reversal of 45193859 is 95839154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45193859 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45195859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22596929 + 22596930.

It is an arithmetic number, because the mean of its divisors is an integer number (22596930).

Almost surely, 2^45193859 is an apocalyptic number.

45193859 is a deficient number, since it is larger than the sum of its proper divisors (1).

45193859 is an equidigital number, since it uses as much as digits as its factorization.

45193859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 44.

The square root of 45193859 is about 6722.6378007446. The cubic root of 45193859 is about 356.1993659852.

The spelling of 45193859 in words is "forty-five million, one hundred ninety-three thousand, eight hundred fifty-nine".