142142223229 has 2 divisors, whose sum is σ = 142142223230. Its totient is φ = 142142223228.

The previous prime is 142142223227. The next prime is 142142223247. The reversal of 142142223229 is 922322241241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120546451204 + 21595772025 = 347198^2 + 146955^2 .

It is a cyclic number.

It is not a de Polignac number, because 142142223229 - 2¹ = 142142223227 is a prime.

Together with 142142223227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 142142223194 and 142142223203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142142223221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071111614 + 71071111615.

It is an arithmetic number, because the mean of its divisors is an integer number (71071111615).

Almost surely, 2^142142223229 is an apocalyptic number.

It is an amenable number.

142142223229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142223229 is an equidigital number, since it uses as much as digits as its factorization.

142142223229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The spelling of 142142223229 in words is "one hundred forty-two billion, one hundred forty-two million, two hundred twenty-three thousand, two hundred twenty-nine".