45420440453 has 2 divisors, whose sum is σ = 45420440454. Its totient is φ = 45420440452.

The previous prime is 45420440447. The next prime is 45420440521. The reversal of 45420440453 is 35404402454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22919840449 + 22500600004 = 151393^2 + 150002^2 .

It is a cyclic number.

It is not a de Polignac number, because 45420440453 - 2⁴ = 45420440437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45420446453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22710220226 + 22710220227.

It is an arithmetic number, because the mean of its divisors is an integer number (22710220227).

Almost surely, 2^45420440453 is an apocalyptic number.

It is an amenable number.

45420440453 is a deficient number, since it is larger than the sum of its proper divisors (1).

45420440453 is an equidigital number, since it uses as much as digits as its factorization.

45420440453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 45420440453 in words is "forty-five billion, four hundred twenty million, four hundred forty thousand, four hundred fifty-three".