105143 has 2 divisors, whose sum is σ = 105144. Its totient is φ = 105142.

The previous prime is 105137. The next prime is 105167. The reversal of 105143 is 341501.

It is a weak prime.

It is an emirp because it is prime and its reverse (341501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105143 - 2¹⁰ = 104119 is a prime.

It is a super-2 number, since 2×105143² = 22110100898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52571 + 52572.

It is an arithmetic number, because the mean of its divisors is an integer number (52572).

2¹⁰⁵¹⁴³ is an apocalyptic number.

105143 is a deficient number, since it is larger than the sum of its proper divisors (1).

105143 is an equidigital number, since it uses as much as digits as its factorization.

105143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 105143 is about 324.2576136346. The cubic root of 105143 is about 47.1983469209.

Adding to 105143 its reverse (341501), we get a palindrome (446644).

The spelling of 105143 in words is "one hundred five thousand, one hundred forty-three".