445107223529 has 2 divisors, whose sum is σ = 445107223530. Its totient is φ = 445107223528.

The previous prime is 445107223441. The next prime is 445107223543. The reversal of 445107223529 is 925322701544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239045699929 + 206061523600 = 488923^2 + 453940^2 .

It is a cyclic number.

It is not a de Polignac number, because 445107223529 - 2²⁸ = 444838788073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445107223529.

It is not a weakly prime, because it can be changed into another prime (445107225529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222553611764 + 222553611765.

It is an arithmetic number, because the mean of its divisors is an integer number (222553611765).

Almost surely, 2^445107223529 is an apocalyptic number.

It is an amenable number.

445107223529 is a deficient number, since it is larger than the sum of its proper divisors (1).

445107223529 is an equidigital number, since it uses as much as digits as its factorization.

445107223529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 445107223529 in words is "four hundred forty-five billion, one hundred seven million, two hundred twenty-three thousand, five hundred twenty-nine".