445434263 has 2 divisors, whose sum is σ = 445434264. Its totient is φ = 445434262.

The previous prime is 445434251. The next prime is 445434331. The reversal of 445434263 is 362434544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445434263 - 2⁸ = 445434007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445434763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222717131 + 222717132.

It is an arithmetic number, because the mean of its divisors is an integer number (222717132).

Almost surely, 2^445434263 is an apocalyptic number.

445434263 is a deficient number, since it is larger than the sum of its proper divisors (1).

445434263 is an equidigital number, since it uses as much as digits as its factorization.

445434263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 35.

The square root of 445434263 is about 21105.3136200342. The cubic root of 445434263 is about 763.7089380163.

The spelling of 445434263 in words is "four hundred forty-five million, four hundred thirty-four thousand, two hundred sixty-three".