142224140369 has 2 divisors, whose sum is σ = 142224140370. Its totient is φ = 142224140368.

The previous prime is 142224140339. The next prime is 142224140389. The reversal of 142224140369 is 963041422241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119062953025 + 23161187344 = 345055^2 + 152188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142224140369 is a prime.

It is a super-2 number, since 2×142224140369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142224140339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71112070184 + 71112070185.

It is an arithmetic number, because the mean of its divisors is an integer number (71112070185).

Almost surely, 2^142224140369 is an apocalyptic number.

It is an amenable number.

142224140369 is a deficient number, since it is larger than the sum of its proper divisors (1).

142224140369 is an equidigital number, since it uses as much as digits as its factorization.

142224140369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 142224140369 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty thousand, three hundred sixty-nine".