45205523057 has 2 divisors, whose sum is σ = 45205523058. Its totient is φ = 45205523056.

The previous prime is 45205523023. The next prime is 45205523059. The reversal of 45205523057 is 75032550254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44991076321 + 214446736 = 212111^2 + 14644^2 .

It is a cyclic number.

It is not a de Polignac number, because 45205523057 - 2⁶ = 45205522993 is a prime.

Together with 45205523059, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45205523057.

It is not a weakly prime, because it can be changed into another prime (45205523059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22602761528 + 22602761529.

It is an arithmetic number, because the mean of its divisors is an integer number (22602761529).

Almost surely, 2^45205523057 is an apocalyptic number.

It is an amenable number.

45205523057 is a deficient number, since it is larger than the sum of its proper divisors (1).

45205523057 is an equidigital number, since it uses as much as digits as its factorization.

45205523057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 45205523057 in words is "forty-five billion, two hundred five million, five hundred twenty-three thousand, fifty-seven".