142244143 has 2 divisors, whose sum is σ = 142244144. Its totient is φ = 142244142.

The previous prime is 142244111. The next prime is 142244171. The reversal of 142244143 is 341442241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142244143 - 2⁵ = 142244111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142244183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71122071 + 71122072.

It is an arithmetic number, because the mean of its divisors is an integer number (71122072).

Almost surely, 2^142244143 is an apocalyptic number.

142244143 is a deficient number, since it is larger than the sum of its proper divisors (1).

142244143 is an equidigital number, since it uses as much as digits as its factorization.

142244143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 142244143 is about 11926.6149011360. The cubic root of 142244143 is about 522.0091685730.

Adding to 142244143 its reverse (341442241), we get a palindrome (483686384).

The spelling of 142244143 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred forty-three".