454245531547 has 2 divisors, whose sum is σ = 454245531548. Its totient is φ = 454245531546.

The previous prime is 454245531539. The next prime is 454245531581. The reversal of 454245531547 is 745135542454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454245531547 - 2³ = 454245531539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454245531547.

It is not a weakly prime, because it can be changed into another prime (454245531517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227122765773 + 227122765774.

It is an arithmetic number, because the mean of its divisors is an integer number (227122765774).

Almost surely, 2^454245531547 is an apocalyptic number.

454245531547 is a deficient number, since it is larger than the sum of its proper divisors (1).

454245531547 is an equidigital number, since it uses as much as digits as its factorization.

454245531547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720000, while the sum is 49.

The spelling of 454245531547 in words is "four hundred fifty-four billion, two hundred forty-five million, five hundred thirty-one thousand, five hundred forty-seven".