105544443 has 8 divisors (see below), whose sum is σ = 141227856. Its totient is φ = 70112000.

The previous prime is 105544441. The next prime is 105544513. The reversal of 105544443 is 344445501.

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 105544443 - 2¹ = 105544441 is a prime.

It is a super-2 number, since 2×105544443² = 22279258896360498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105544443.

It is not an unprimeable number, because it can be changed into a prime (105544441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61758 + ... + 63443.

It is an arithmetic number, because the mean of its divisors is an integer number (17653482).

Almost surely, 2^105544443 is an apocalyptic number.

105544443 is a deficient number, since it is larger than the sum of its proper divisors (35683413).

105544443 is a wasteful number, since it uses less digits than its factorization.

105544443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125485.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 105544443 is about 10273.4825156808. The cubic root of 105544443 is about 472.5833944794.

Adding to 105544443 its reverse (344445501), we get a palindrome (449989944).

The spelling of 105544443 in words is "one hundred five million, five hundred forty-four thousand, four hundred forty-three".