45674809 has 2 divisors, whose sum is σ = 45674810. Its totient is φ = 45674808.

The previous prime is 45674789. The next prime is 45674813. The reversal of 45674809 is 90847654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 6487209 = 6260^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 45674809 - 2⁵ = 45674777 is a prime.

It is not a weakly prime, because it can be changed into another prime (45674899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22837404 + 22837405.

It is an arithmetic number, because the mean of its divisors is an integer number (22837405).

Almost surely, 2^45674809 is an apocalyptic number.

It is an amenable number.

45674809 is a deficient number, since it is larger than the sum of its proper divisors (1).

45674809 is an equidigital number, since it uses as much as digits as its factorization.

45674809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 45674809 is about 6758.3140649129. The cubic root of 45674809 is about 357.4584599720.

The spelling of 45674809 in words is "forty-five million, six hundred seventy-four thousand, eight hundred nine".