105443345 has 16 divisors (see below), whose sum is σ = 147561600. Its totient is φ = 72302832.

The previous prime is 105443329. The next prime is 105443357. The reversal of 105443345 is 543344501.

It is not a de Polignac number, because 105443345 - 2⁴ = 105443329 is a prime.

It is a super-2 number, since 2×105443345² = 22236598009578050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29027 + ... + 32456.

It is an arithmetic number, because the mean of its divisors is an integer number (9222600).

Almost surely, 2^105443345 is an apocalyptic number.

It is an amenable number.

105443345 is a deficient number, since it is larger than the sum of its proper divisors (42118255).

105443345 is an frugal number, since it uses more digits than its factorization.

105443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61509 (or 61495 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 105443345 is about 10268.5609994780. The cubic root of 105443345 is about 472.4324549080.

Adding to 105443345 its reverse (543344501), we get a palindrome (648787846).

The spelling of 105443345 in words is "one hundred five million, four hundred forty-three thousand, three hundred forty-five".