45422609 has 2 divisors, whose sum is σ = 45422610. Its totient is φ = 45422608.

The previous prime is 45422599. The next prime is 45422617. The reversal of 45422609 is 90622454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 6235009 = 6260^2 + 2497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45422609 is a prime.

It is not a weakly prime, because it can be changed into another prime (45422639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711304 + 22711305.

It is an arithmetic number, because the mean of its divisors is an integer number (22711305).

Almost surely, 2^45422609 is an apocalyptic number.

It is an amenable number.

45422609 is a deficient number, since it is larger than the sum of its proper divisors (1).

45422609 is an equidigital number, since it uses as much as digits as its factorization.

45422609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45422609 is about 6739.6297376043. The cubic root of 45422609 is about 356.7993259495.

The spelling of 45422609 in words is "forty-five million, four hundred twenty-two thousand, six hundred nine".