105432143 has 2 divisors, whose sum is σ = 105432144. Its totient is φ = 105432142.

The previous prime is 105432137. The next prime is 105432157. The reversal of 105432143 is 341234501.

It is a weak prime.

It is an emirp because it is prime and its reverse (341234501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105432143 - 2¹⁶ = 105366607 is a prime.

It is a super-2 number, since 2×105432143² = 22231873555144898, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105432163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52716071 + 52716072.

It is an arithmetic number, because the mean of its divisors is an integer number (52716072).

Almost surely, 2^105432143 is an apocalyptic number.

105432143 is a deficient number, since it is larger than the sum of its proper divisors (1).

105432143 is an equidigital number, since it uses as much as digits as its factorization.

105432143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105432143 is about 10268.0155336852. The cubic root of 105432143 is about 472.4157243571.

Adding to 105432143 its reverse (341234501), we get a palindrome (446666644).

The spelling of 105432143 in words is "one hundred five million, four hundred thirty-two thousand, one hundred forty-three".