445922307557 has 2 divisors, whose sum is σ = 445922307558. Its totient is φ = 445922307556.

The previous prime is 445922307539. The next prime is 445922307569. The reversal of 445922307557 is 755703229544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313509286561 + 132413020996 = 559919^2 + 363886^2 .

It is a cyclic number.

It is not a de Polignac number, because 445922307557 - 2³⁴ = 428742438373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445922307499 and 445922307508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445922357557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222961153778 + 222961153779.

It is an arithmetic number, because the mean of its divisors is an integer number (222961153779).

Almost surely, 2^445922307557 is an apocalyptic number.

It is an amenable number.

445922307557 is a deficient number, since it is larger than the sum of its proper divisors (1).

445922307557 is an equidigital number, since it uses as much as digits as its factorization.

445922307557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 445922307557 in words is "four hundred forty-five billion, nine hundred twenty-two million, three hundred seven thousand, five hundred fifty-seven".