45188235761 has 2 divisors, whose sum is σ = 45188235762. Its totient is φ = 45188235760.

The previous prime is 45188235749. The next prime is 45188235791. The reversal of 45188235761 is 16753288154.

45188235761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30576019600 + 14612216161 = 174860^2 + 120881^2 .

It is a cyclic number.

It is not a de Polignac number, because 45188235761 - 2¹⁸ = 45187973617 is a prime.

It is not a weakly prime, because it can be changed into another prime (45188235791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22594117880 + 22594117881.

It is an arithmetic number, because the mean of its divisors is an integer number (22594117881).

Almost surely, 2^45188235761 is an apocalyptic number.

It is an amenable number.

45188235761 is a deficient number, since it is larger than the sum of its proper divisors (1).

45188235761 is an equidigital number, since it uses as much as digits as its factorization.

45188235761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 50.

The spelling of 45188235761 in words is "forty-five billion, one hundred eighty-eight million, two hundred thirty-five thousand, seven hundred sixty-one".