142943117227 has 2 divisors, whose sum is σ = 142943117228. Its totient is φ = 142943117226.

The previous prime is 142943117201. The next prime is 142943117231. The reversal of 142943117227 is 722711349241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142943117227 is a prime.

It is not a weakly prime, because it can be changed into another prime (142943117027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71471558613 + 71471558614.

It is an arithmetic number, because the mean of its divisors is an integer number (71471558614).

Almost surely, 2^142943117227 is an apocalyptic number.

142943117227 is a deficient number, since it is larger than the sum of its proper divisors (1).

142943117227 is an equidigital number, since it uses as much as digits as its factorization.

142943117227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The spelling of 142943117227 in words is "one hundred forty-two billion, nine hundred forty-three million, one hundred seventeen thousand, two hundred twenty-seven".