445653443 has 2 divisors, whose sum is σ = 445653444. Its totient is φ = 445653442.

The previous prime is 445653413. The next prime is 445653463. The reversal of 445653443 is 344356544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445653443 - 2¹⁰ = 445652419 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 445653397 and 445653406.

It is not a weakly prime, because it can be changed into another prime (445653413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222826721 + 222826722.

It is an arithmetic number, because the mean of its divisors is an integer number (222826722).

Almost surely, 2^445653443 is an apocalyptic number.

445653443 is a deficient number, since it is larger than the sum of its proper divisors (1).

445653443 is an equidigital number, since it uses as much as digits as its factorization.

445653443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 38.

The square root of 445653443 is about 21110.5055126589. The cubic root of 445653443 is about 763.8341807971.

The spelling of 445653443 in words is "four hundred forty-five million, six hundred fifty-three thousand, four hundred forty-three".