445301644241 has 4 divisors (see below), whose sum is σ = 445385148852. Its totient is φ = 445218139632.

The previous prime is 445301644231. The next prime is 445301644279. The reversal of 445301644241 is 142446103544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440901312016 + 4400332225 = 664004^2 + 66335^2 .

It is a cyclic number.

It is not a de Polignac number, because 445301644241 - 2¹⁰ = 445301643217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445301644195 and 445301644204.

It is not an unprimeable number, because it can be changed into a prime (445301644231) 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 in 3 ways as a sum of consecutive naturals, for example, 41744306 + ... + 41754971.

It is an arithmetic number, because the mean of its divisors is an integer number (111346287213).

Almost surely, 2^445301644241 is an apocalyptic number.

It is an amenable number.

445301644241 is a deficient number, since it is larger than the sum of its proper divisors (83504611).

445301644241 is an equidigital number, since it uses as much as digits as its factorization.

445301644241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83504610.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 445301644241 its reverse (142446103544), we get a palindrome (587747747785).

The spelling of 445301644241 in words is "four hundred forty-five billion, three hundred one million, six hundred forty-four thousand, two hundred forty-one".