445306241 has 2 divisors, whose sum is σ = 445306242. Its totient is φ = 445306240.

The previous prime is 445306231. The next prime is 445306259. The reversal of 445306241 is 142603544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282105616 + 163200625 = 16796^2 + 12775^2 .

It is a cyclic number.

It is not a de Polignac number, because 445306241 - 2¹⁸ = 445044097 is a prime.

It is not a weakly prime, because it can be changed into another prime (445306231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222653120 + 222653121.

It is an arithmetic number, because the mean of its divisors is an integer number (222653121).

Almost surely, 2^445306241 is an apocalyptic number.

It is an amenable number.

445306241 is a deficient number, since it is larger than the sum of its proper divisors (1).

445306241 is an equidigital number, since it uses as much as digits as its factorization.

445306241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 445306241 is about 21102.2804691815. The cubic root of 445306241 is about 763.6357652932.

Adding to 445306241 its reverse (142603544), we get a palindrome (587909785).

The spelling of 445306241 in words is "four hundred forty-five million, three hundred six thousand, two hundred forty-one".