45027945746557 has 2 divisors, whose sum is σ = 45027945746558. Its totient is φ = 45027945746556.

The previous prime is 45027945746471. The next prime is 45027945746587. The reversal of 45027945746557 is 75564754972054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39347593290756 + 5680352455801 = 6272766^2 + 2383349^2 .

It is a cyclic number.

It is not a de Polignac number, because 45027945746557 - 2²⁷ = 45027811528829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45027945746587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22513972873278 + 22513972873279.

It is an arithmetic number, because the mean of its divisors is an integer number (22513972873279).

Almost surely, 2^{45027945746557} is an apocalyptic number.

It is an amenable number.

45027945746557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45027945746557 is an equidigital number, since it uses as much as digits as its factorization.

45027945746557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760000, while the sum is 70.

The spelling of 45027945746557 in words is "forty-five trillion, twenty-seven billion, nine hundred forty-five million, seven hundred forty-six thousand, five hundred fifty-seven".