105165443 has 2 divisors, whose sum is σ = 105165444. Its totient is φ = 105165442.

The previous prime is 105165421. The next prime is 105165449. The reversal of 105165443 is 344561501.

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-105165443 is a prime.

It is a super-2 number, since 2×105165443² = 22119540802772498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105165449) 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, 52582721 + 52582722.

It is an arithmetic number, because the mean of its divisors is an integer number (52582722).

Almost surely, 2^105165443 is an apocalyptic number.

105165443 is a deficient number, since it is larger than the sum of its proper divisors (1).

105165443 is an equidigital number, since it uses as much as digits as its factorization.

105165443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 105165443 is about 10255.0203802820. The cubic root of 105165443 is about 472.0170487833.

The spelling of 105165443 in words is "one hundred five million, one hundred sixty-five thousand, four hundred forty-three".