45423130057 has 2 divisors, whose sum is σ = 45423130058. Its totient is φ = 45423130056.

The previous prime is 45423130021. The next prime is 45423130087. The reversal of 45423130057 is 75003132454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42824577481 + 2598552576 = 206941^2 + 50976^2 .

It is a cyclic number.

It is not a de Polignac number, because 45423130057 - 2³¹ = 43275646409 is a prime.

It is not a weakly prime, because it can be changed into another prime (45423130087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711565028 + 22711565029.

It is an arithmetic number, because the mean of its divisors is an integer number (22711565029).

Almost surely, 2^45423130057 is an apocalyptic number.

It is an amenable number.

45423130057 is a deficient number, since it is larger than the sum of its proper divisors (1).

45423130057 is an equidigital number, since it uses as much as digits as its factorization.

45423130057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 45423130057 in words is "forty-five billion, four hundred twenty-three million, one hundred thirty thousand, fifty-seven".