100143143 has 2 divisors, whose sum is σ = 100143144. Its totient is φ = 100143142.

The previous prime is 100143139. The next prime is 100143149. The reversal of 100143143 is 341341001.

It is a weak prime.

It is an emirp because it is prime and its reverse (341341001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100143143 - 2² = 100143139 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 (100143149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071571 + 50071572.

It is an arithmetic number, because the mean of its divisors is an integer number (50071572).

Almost surely, 2^100143143 is an apocalyptic number.

100143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100143143 is an equidigital number, since it uses as much as digits as its factorization.

100143143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100143143 is about 10007.1545905917. The cubic root of 100143143 is about 464.3802480890.

Adding to 100143143 its reverse (341341001), we get a palindrome (441484144).

It can be divided in two parts, 1001 and 43143, that added together give a palindrome (44144).

The spelling of 100143143 in words is "one hundred million, one hundred forty-three thousand, one hundred forty-three".