105443013 has 8 divisors (see below), whose sum is σ = 151405408. Its totient is φ = 64887984.

The previous prime is 105443011. The next prime is 105443033. The reversal of 105443013 is 310344501.

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

It is not a de Polignac number, because 105443013 - 2¹ = 105443011 is a prime.

It is a super-2 number, since 2×105443013² = 22236457981036338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105443011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351795 + ... + 1351872.

It is an arithmetic number, because the mean of its divisors is an integer number (18925676).

Almost surely, 2^105443013 is an apocalyptic number.

105443013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105443013 is a deficient number, since it is larger than the sum of its proper divisors (45962395).

105443013 is a wasteful number, since it uses less digits than its factorization.

105443013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703683.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 105443013 is about 10268.5448336169. The cubic root of 105443013 is about 472.4319590723.

Adding to 105443013 its reverse (310344501), we get a palindrome (415787514).

The spelling of 105443013 in words is "one hundred five million, four hundred forty-three thousand, thirteen".