45095021 has 2 divisors, whose sum is σ = 45095022. Its totient is φ = 45095020.

The previous prime is 45094993. The next prime is 45095027. The reversal of 45095021 is 12059054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 3556996 = 6445^2 + 1886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45095021 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45095027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22547510 + 22547511.

It is an arithmetic number, because the mean of its divisors is an integer number (22547511).

Almost surely, 2^45095021 is an apocalyptic number.

It is an amenable number.

45095021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45095021 is an equidigital number, since it uses as much as digits as its factorization.

45095021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 45095021 is about 6715.2826448334. The cubic root of 45095021 is about 355.9395096692.

The spelling of 45095021 in words is "forty-five million, ninety-five thousand, twenty-one".