445241042104457 has 2 divisors, whose sum is σ = 445241042104458. Its totient is φ = 445241042104456.

The previous prime is 445241042104433. The next prime is 445241042104483. The reversal of 445241042104457 is 754401240142544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445072269853696 + 168772250761 = 21096736^2 + 410819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445241042104457 is a prime.

It is not a weakly prime, because it can be changed into another prime (445241042104487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222620521052228 + 222620521052229.

It is an arithmetic number, because the mean of its divisors is an integer number (222620521052229).

Almost surely, 2^{445241042104457} is an apocalyptic number.

It is an amenable number.

445241042104457 is a deficient number, since it is larger than the sum of its proper divisors (1).

445241042104457 is an equidigital number, since it uses as much as digits as its factorization.

445241042104457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2867200, while the sum is 47.

The spelling of 445241042104457 in words is "four hundred forty-five trillion, two hundred forty-one billion, forty-two million, one hundred four thousand, four hundred fifty-seven".