445134058427257 has 2 divisors, whose sum is σ = 445134058427258. Its totient is φ = 445134058427256.

The previous prime is 445134058427249. The next prime is 445134058427269. The reversal of 445134058427257 is 752724850431544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444836017770496 + 298040656761 = 21091136^2 + 545931^2 .

It is a cyclic number.

It is not a de Polignac number, because 445134058427257 - 2³ = 445134058427249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445134058427195 and 445134058427204.

It is not a weakly prime, because it can be changed into another prime (445134058427057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222567029213628 + 222567029213629.

It is an arithmetic number, because the mean of its divisors is an integer number (222567029213629).

Almost surely, 2^{445134058427257} is an apocalyptic number.

It is an amenable number.

445134058427257 is a deficient number, since it is larger than the sum of its proper divisors (1).

445134058427257 is an equidigital number, since it uses as much as digits as its factorization.

445134058427257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528000, while the sum is 61.

The spelling of 445134058427257 in words is "four hundred forty-five trillion, one hundred thirty-four billion, fifty-eight million, four hundred twenty-seven thousand, two hundred fifty-seven".