45404279 has 2 divisors, whose sum is σ = 45404280. Its totient is φ = 45404278.

The previous prime is 45404257. The next prime is 45404299. The reversal of 45404279 is 97240454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45404279 - 2²⁴ = 28627063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45404239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702139 + 22702140.

It is an arithmetic number, because the mean of its divisors is an integer number (22702140).

Almost surely, 2^45404279 is an apocalyptic number.

45404279 is a deficient number, since it is larger than the sum of its proper divisors (1).

45404279 is an equidigital number, since it uses as much as digits as its factorization.

45404279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45404279 is about 6738.2697333960. The cubic root of 45404279 is about 356.7513248056.

The spelling of 45404279 in words is "forty-five million, four hundred four thousand, two hundred seventy-nine".