105235143 has 16 divisors (see below), whose sum is σ = 157678080. Its totient is φ = 61943904.

The previous prime is 105235127. The next prime is 105235183. The reversal of 105235143 is 341532501.

It is not a de Polignac number, because 105235143 - 2⁴ = 105235127 is a prime.

It is a super-2 number, since 2×105235143² = 22148870644460898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105235183) 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, 57763 + ... + 59556.

It is an arithmetic number, because the mean of its divisors is an integer number (9854880).

Almost surely, 2^105235143 is an apocalyptic number.

105235143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105235143 is a deficient number, since it is larger than the sum of its proper divisors (52442937).

105235143 is a wasteful number, since it uses less digits than its factorization.

105235143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117358.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 105235143 is about 10258.4181529123. The cubic root of 105235143 is about 472.1213045851.

Adding to 105235143 its reverse (341532501), we get a palindrome (446767644).

The spelling of 105235143 in words is "one hundred five million, two hundred thirty-five thousand, one hundred forty-three".