105042443 has 8 divisors (see below), whose sum is σ = 114784320. Its totient is φ = 95332680.

The previous prime is 105042433. The next prime is 105042493. The reversal of 105042443 is 344240501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105042443 - 2²⁴ = 88265227 is a prime.

It is a super-2 number, since 2×105042443² = 22067829662816498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105042433) 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 in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 14522.

It is an arithmetic number, because the mean of its divisors is an integer number (14348040).

Almost surely, 2^105042443 is an apocalyptic number.

105042443 is a deficient number, since it is larger than the sum of its proper divisors (9741877).

105042443 is a wasteful number, since it uses less digits than its factorization.

105042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16057.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 105042443 is about 10249.0215630566. The cubic root of 105042443 is about 471.8329555276.

Adding to 105042443 its reverse (344240501), we get a palindrome (449282944).

The spelling of 105042443 in words is "one hundred five million, forty-two thousand, four hundred forty-three".