445014431 has 2 divisors, whose sum is σ = 445014432. Its totient is φ = 445014430.

The previous prime is 445014407. The next prime is 445014433. The reversal of 445014431 is 134410544.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445014431 is a prime.

It is a super-2 number, since 2×445014431² = 396075687596507522, which contains 22 as substring.

Together with 445014433, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_23602742 and since 445014431 and 23602742 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445014431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445014433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222507215 + 222507216.

It is an arithmetic number, because the mean of its divisors is an integer number (222507216).

Almost surely, 2^445014431 is an apocalyptic number.

445014431 is a deficient number, since it is larger than the sum of its proper divisors (1).

445014431 is an equidigital number, since it uses as much as digits as its factorization.

445014431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 445014431 is about 21095.3651544599. The cubic root of 445014431 is about 763.4689248697.

Adding to 445014431 its reverse (134410544), we get a palindrome (579424975).

It can be divided in two parts, 4450 and 14431, that added together give a palindrome (18881).

The spelling of 445014431 in words is "four hundred forty-five million, fourteen thousand, four hundred thirty-one".