142427141 has 2 divisors, whose sum is σ = 142427142. Its totient is φ = 142427140.

The previous prime is 142427111. The next prime is 142427143. The reversal of 142427141 is 141724241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105472900 + 36954241 = 10270^2 + 6079^2 .

It is a cyclic number.

It is not a de Polignac number, because 142427141 - 2²² = 138232837 is a prime.

Together with 142427143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142427141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142427143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71213570 + 71213571.

It is an arithmetic number, because the mean of its divisors is an integer number (71213571).

Almost surely, 2^142427141 is an apocalyptic number.

It is an amenable number.

142427141 is a deficient number, since it is larger than the sum of its proper divisors (1).

142427141 is an equidigital number, since it uses as much as digits as its factorization.

142427141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 26.

The square root of 142427141 is about 11934.2842684427. The cubic root of 142427141 is about 522.2329286892.

The spelling of 142427141 in words is "one hundred forty-two million, four hundred twenty-seven thousand, one hundred forty-one".