445453241477 has 2 divisors, whose sum is σ = 445453241478. Its totient is φ = 445453241476.

The previous prime is 445453241437. The next prime is 445453241539. The reversal of 445453241477 is 774142354544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371278174276 + 74175067201 = 609326^2 + 272351^2 .

It is a cyclic number.

It is not a de Polignac number, because 445453241477 - 2¹⁴ = 445453225093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445453241437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222726620738 + 222726620739.

It is an arithmetic number, because the mean of its divisors is an integer number (222726620739).

Almost surely, 2^445453241477 is an apocalyptic number.

It is an amenable number.

445453241477 is a deficient number, since it is larger than the sum of its proper divisors (1).

445453241477 is an equidigital number, since it uses as much as digits as its factorization.

445453241477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7526400, while the sum is 50.

The spelling of 445453241477 in words is "four hundred forty-five billion, four hundred fifty-three million, two hundred forty-one thousand, four hundred seventy-seven".