105440343 has 16 divisors (see below), whose sum is σ = 147751296. Its totient is φ = 66800160.

The previous prime is 105440311. The next prime is 105440371. The reversal of 105440343 is 343044501.

It is not a de Polignac number, because 105440343 - 2⁵ = 105440311 is a prime.

It is a super-2 number, since 2×105440343² = 22235331863915298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105440243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (9234456).

Almost surely, 2^105440343 is an apocalyptic number.

105440343 is a deficient number, since it is larger than the sum of its proper divisors (42310953).

105440343 is a wasteful number, since it uses less digits than its factorization.

105440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 105440343 is about 10268.4148241099. The cubic root of 105440343 is about 472.4279714397.

Adding to 105440343 its reverse (343044501), we get a palindrome (448484844).

The spelling of 105440343 in words is "one hundred five million, four hundred forty thousand, three hundred forty-three".