45188797 has 2 divisors, whose sum is σ = 45188798. Its totient is φ = 45188796.

The previous prime is 45188791. The next prime is 45188831. The reversal of 45188797 is 79788154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 7107556 = 6171^2 + 2666^2 .

It is a cyclic number.

It is not a de Polignac number, because 45188797 - 2³ = 45188789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45188797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45188791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22594398 + 22594399.

It is an arithmetic number, because the mean of its divisors is an integer number (22594399).

Almost surely, 2^45188797 is an apocalyptic number.

It is an amenable number.

45188797 is a deficient number, since it is larger than the sum of its proper divisors (1).

45188797 is an equidigital number, since it uses as much as digits as its factorization.

45188797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 49.

The square root of 45188797 is about 6722.2613010802. The cubic root of 45188797 is about 356.1860666229.

The spelling of 45188797 in words is "forty-five million, one hundred eighty-eight thousand, seven hundred ninety-seven".