45375122257 has 2 divisors, whose sum is σ = 45375122258. Its totient is φ = 45375122256.

The previous prime is 45375122239. The next prime is 45375122311. The reversal of 45375122257 is 75222157354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44806728976 + 568393281 = 211676^2 + 23841^2 .

It is a cyclic number.

It is not a de Polignac number, because 45375122257 - 2²⁷ = 45240904529 is a prime.

It is not a weakly prime, because it can be changed into another prime (45375122057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22687561128 + 22687561129.

It is an arithmetic number, because the mean of its divisors is an integer number (22687561129).

Almost surely, 2^45375122257 is an apocalyptic number.

It is an amenable number.

45375122257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45375122257 is an equidigital number, since it uses as much as digits as its factorization.

45375122257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588000, while the sum is 43.

The spelling of 45375122257 in words is "forty-five billion, three hundred seventy-five million, one hundred twenty-two thousand, two hundred fifty-seven".