45660181157 has 2 divisors, whose sum is σ = 45660181158. Its totient is φ = 45660181156.

The previous prime is 45660181129. The next prime is 45660181163. The reversal of 45660181157 is 75118106654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36975059521 + 8685121636 = 192289^2 + 93194^2 .

It is a cyclic number.

It is not a de Polignac number, because 45660181157 - 2²² = 45655986853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45660111157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22830090578 + 22830090579.

It is an arithmetic number, because the mean of its divisors is an integer number (22830090579).

Almost surely, 2^45660181157 is an apocalyptic number.

It is an amenable number.

45660181157 is a deficient number, since it is larger than the sum of its proper divisors (1).

45660181157 is an equidigital number, since it uses as much as digits as its factorization.

45660181157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 45660181157 in words is "forty-five billion, six hundred sixty million, one hundred eighty-one thousand, one hundred fifty-seven".