142781958227 has 2 divisors, whose sum is σ = 142781958228. Its totient is φ = 142781958226.

The previous prime is 142781958211. The next prime is 142781958317. The reversal of 142781958227 is 722859187241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142781958227 - 2⁴ = 142781958211 is a prime.

It is not a weakly prime, because it can be changed into another prime (142781928227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71390979113 + 71390979114.

It is an arithmetic number, because the mean of its divisors is an integer number (71390979114).

Almost surely, 2^142781958227 is an apocalyptic number.

142781958227 is a deficient number, since it is larger than the sum of its proper divisors (1).

142781958227 is an equidigital number, since it uses as much as digits as its factorization.

142781958227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 56.

The spelling of 142781958227 in words is "one hundred forty-two billion, seven hundred eighty-one million, nine hundred fifty-eight thousand, two hundred twenty-seven".