8145443 has 2 divisors, whose sum is σ = 8145444. Its totient is φ = 8145442.

The previous prime is 8145437. The next prime is 8145457. The reversal of 8145443 is 3445418.

8145443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8145443 - 2¹⁸ = 7883299 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8145463) 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, 4072721 + 4072722.

It is an arithmetic number, because the mean of its divisors is an integer number (4072722).

Almost surely, 2^8145443 is an apocalyptic number.

8145443 is a deficient number, since it is larger than the sum of its proper divisors (1).

8145443 is an equidigital number, since it uses as much as digits as its factorization.

8145443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 8145443 is about 2854.0222493877. The cubic root of 8145443 is about 201.2047532759.

The spelling of 8145443 in words is "eight million, one hundred forty-five thousand, four hundred forty-three".