45020454637 has 2 divisors, whose sum is σ = 45020454638. Its totient is φ = 45020454636.

The previous prime is 45020454623. The next prime is 45020454707. The reversal of 45020454637 is 73645402054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43451819401 + 1568635236 = 208451^2 + 39606^2 .

It is a cyclic number.

It is not a de Polignac number, because 45020454637 - 2³¹ = 42872970989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45020454637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45020454737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510227318 + 22510227319.

It is an arithmetic number, because the mean of its divisors is an integer number (22510227319).

Almost surely, 2^45020454637 is an apocalyptic number.

It is an amenable number.

45020454637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020454637 is an equidigital number, since it uses as much as digits as its factorization.

45020454637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 45020454637 in words is "forty-five billion, twenty million, four hundred fifty-four thousand, six hundred thirty-seven".