45180899 has 2 divisors, whose sum is σ = 45180900. Its totient is φ = 45180898.

The previous prime is 45180887. The next prime is 45180907. The reversal of 45180899 is 99808154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45180899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45189899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590449 + 22590450.

It is an arithmetic number, because the mean of its divisors is an integer number (22590450).

Almost surely, 2^45180899 is an apocalyptic number.

45180899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180899 is an equidigital number, since it uses as much as digits as its factorization.

45180899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 45180899 is about 6721.6738242792. The cubic root of 45180899 is about 356.1653142709.

The spelling of 45180899 in words is "forty-five million, one hundred eighty thousand, eight hundred ninety-nine".