100242143 has 2 divisors, whose sum is σ = 100242144. Its totient is φ = 100242142.

The previous prime is 100242113. The next prime is 100242161. The reversal of 100242143 is 341242001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100242143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100242113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121071 + 50121072.

It is an arithmetic number, because the mean of its divisors is an integer number (50121072).

Almost surely, 2^100242143 is an apocalyptic number.

100242143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100242143 is an equidigital number, since it uses as much as digits as its factorization.

100242143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100242143 is about 10012.0998297061. The cubic root of 100242143 is about 464.5332241253.

Adding to 100242143 its reverse (341242001), we get a palindrome (441484144).

It can be divided in two parts, 10024 and 2143, that added together give a cube (12167 = 23³).

The spelling of 100242143 in words is "one hundred million, two hundred forty-two thousand, one hundred forty-three".