41840143 has 2 divisors, whose sum is σ = 41840144. Its totient is φ = 41840142.

The previous prime is 41840129. The next prime is 41840167. The reversal of 41840143 is 34104814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41840143 - 2¹⁷ = 41709071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41840543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20920071 + 20920072.

It is an arithmetic number, because the mean of its divisors is an integer number (20920072).

Almost surely, 2^41840143 is an apocalyptic number.

41840143 is a deficient number, since it is larger than the sum of its proper divisors (1).

41840143 is an equidigital number, since it uses as much as digits as its factorization.

41840143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 41840143 is about 6468.3957052734. The cubic root of 41840143 is about 347.1610980884.

Adding to 41840143 its reverse (34104814), we get a palindrome (75944957).

The spelling of 41840143 in words is "forty-one million, eight hundred forty thousand, one hundred forty-three".