105331143 has 8 divisors (see below), whose sum is σ = 141336688. Its totient is φ = 69773184.

The previous prime is 105331129. The next prime is 105331159. The reversal of 105331143 is 341133501.

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

It is not a de Polignac number, because 105331143 - 2⁸ = 105330887 is a prime.

It is a super-2 number, since 2×105331143² = 22189299371372898, 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 (105331243) 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, 111346 + ... + 112287.

It is an arithmetic number, because the mean of its divisors is an integer number (17667086).

Almost surely, 2^105331143 is an apocalyptic number.

105331143 is a deficient number, since it is larger than the sum of its proper divisors (36005545).

105331143 is a wasteful number, since it uses less digits than its factorization.

105331143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223793.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 105331143 is about 10263.0961702597. The cubic root of 105331143 is about 472.2648240371.

Adding to 105331143 its reverse (341133501), we get a palindrome (446464644).

The spelling of 105331143 in words is "one hundred five million, three hundred thirty-one thousand, one hundred forty-three".