450443243 has 2 divisors, whose sum is σ = 450443244. Its totient is φ = 450443242.

The previous prime is 450443239. The next prime is 450443267. The reversal of 450443243 is 342344054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450443243 - 2² = 450443239 is a prime.

It is not a weakly prime, because it can be changed into another prime (450443233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225221621 + 225221622.

It is an arithmetic number, because the mean of its divisors is an integer number (225221622).

Almost surely, 2^450443243 is an apocalyptic number.

450443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

450443243 is an equidigital number, since it uses as much as digits as its factorization.

450443243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 450443243 is about 21223.6482019468. The cubic root of 450443243 is about 766.5609507879.

Adding to 450443243 its reverse (342344054), we get a palindrome (792787297).

The spelling of 450443243 in words is "four hundred fifty million, four hundred forty-three thousand, two hundred forty-three".