142144143227 has 2 divisors, whose sum is σ = 142144143228.
Its totient is φ = 142144143226.
The previous prime is 142144143181. The next prime is 142144143257. The reversal of 142144143227 is 722341441241.
Adding to 142144143227 its reverse (722341441241), we get a palindrome (864485584468).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 142144143227 - 218 = 142143881083 is a prime.
It is not a weakly prime, because it can be changed into another prime (142144143257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71072071613 + 71072071614.
It is an arithmetic number, because the mean of its divisors is an integer number (71072071614).
Almost surely, 2142144143227 is an apocalyptic number.
142144143227 is a deficient number, since it is larger than the sum of its proper divisors (1).
142144143227 is an equidigital number, since it uses as much as digits as its factorization.
142144143227 is an evil number, because the sum of its binary digits is even.
The product of its digits is 43008, while the sum is 35.
The spelling of 142144143227 in words is "one hundred forty-two billion, one hundred forty-four million, one hundred forty-three thousand, two hundred twenty-seven".