105442403 has 8 divisors (see below), whose sum is σ = 115345920. Its totient is φ = 95591880.

The previous prime is 105442391. The next prime is 105442427. The reversal of 105442403 is 304244501.

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 105442403 - 2²² = 101248099 is a prime.

It is a super-2 number, since 2×105442403² = 22236200700828818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105442433) 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 7 ways as a sum of consecutive naturals, for example, 9023 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (14418240).

Almost surely, 2^105442403 is an apocalyptic number.

105442403 is a deficient number, since it is larger than the sum of its proper divisors (9903517).

105442403 is a wasteful number, since it uses less digits than its factorization.

105442403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26497.

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

The square root of 105442403 is about 10268.5151312154. The cubic root of 105442403 is about 472.4310480461.

Adding to 105442403 its reverse (304244501), we get a palindrome (409686904).

The spelling of 105442403 in words is "one hundred five million, four hundred forty-two thousand, four hundred three".