445934231 has 2 divisors, whose sum is σ = 445934232. Its totient is φ = 445934230.

The previous prime is 445934207. The next prime is 445934243. The reversal of 445934231 is 132439544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445934231 - 2²² = 441739927 is a prime.

It is a super-2 number, since 2×445934231² = 397714676755122722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 445934191 and 445934200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445930231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222967115 + 222967116.

It is an arithmetic number, because the mean of its divisors is an integer number (222967116).

Almost surely, 2^445934231 is an apocalyptic number.

445934231 is a deficient number, since it is larger than the sum of its proper divisors (1).

445934231 is an equidigital number, since it uses as much as digits as its factorization.

445934231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 445934231 is about 21117.1548983285. The cubic root of 445934231 is about 763.9945673389.

The spelling of 445934231 in words is "four hundred forty-five million, nine hundred thirty-four thousand, two hundred thirty-one".