41643143 has 2 divisors, whose sum is σ = 41643144. Its totient is φ = 41643142.

The previous prime is 41643139. The next prime is 41643169. The reversal of 41643143 is 34134614.

It is an a-pointer prime, because the next prime (41643169) can be obtained adding 41643143 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41643143 - 2² = 41643139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41643103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20821571 + 20821572.

It is an arithmetic number, because the mean of its divisors is an integer number (20821572).

Almost surely, 2^41643143 is an apocalyptic number.

41643143 is a deficient number, since it is larger than the sum of its proper divisors (1).

41643143 is an equidigital number, since it uses as much as digits as its factorization.

41643143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 41643143 is about 6453.1498510417. The cubic root of 41643143 is about 346.6153832957.

Adding to 41643143 its reverse (34134614), we get a palindrome (75777757).

The spelling of 41643143 in words is "forty-one million, six hundred forty-three thousand, one hundred forty-three".