445934243 has 2 divisors, whose sum is σ = 445934244. Its totient is φ = 445934242.

The previous prime is 445934231. The next prime is 445934303. The reversal of 445934243 is 342439544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445934243 - 2⁶ = 445934179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445934197 and 445934206.

It is not a weakly prime, because it can be changed into another prime (445834243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222967121 + 222967122.

It is an arithmetic number, because the mean of its divisors is an integer number (222967122).

Almost surely, 2^445934243 is an apocalyptic number.

445934243 is a deficient number, since it is larger than the sum of its proper divisors (1).

445934243 is an equidigital number, since it uses as much as digits as its factorization.

445934243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The square root of 445934243 is about 21117.1551824577. The cubic root of 445934243 is about 763.9945741919.

The spelling of 445934243 in words is "four hundred forty-five million, nine hundred thirty-four thousand, two hundred forty-three".