45185417657 has 2 divisors, whose sum is σ = 45185417658. Its totient is φ = 45185417656.

The previous prime is 45185417653. The next prime is 45185417707. The reversal of 45185417657 is 75671458154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23003485561 + 22181932096 = 151669^2 + 148936^2 .

It is a cyclic number.

It is not a de Polignac number, because 45185417657 - 2² = 45185417653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45185417599 and 45185417608.

It is not a weakly prime, because it can be changed into another prime (45185417653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22592708828 + 22592708829.

It is an arithmetic number, because the mean of its divisors is an integer number (22592708829).

Almost surely, 2^45185417657 is an apocalyptic number.

It is an amenable number.

45185417657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45185417657 is an equidigital number, since it uses as much as digits as its factorization.

45185417657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704000, while the sum is 53.

The spelling of 45185417657 in words is "forty-five billion, one hundred eighty-five million, four hundred seventeen thousand, six hundred fifty-seven".