142224141243 has 4 divisors (see below), whose sum is σ = 189632188328. Its totient is φ = 94816094160.

The previous prime is 142224141221. The next prime is 142224141281. The reversal of 142224141243 is 342141422241.

142224141243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142224141243 - 2⁸ = 142224140987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142224141243.

It is not an unprimeable number, because it can be changed into a prime (142224141043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23704023538 + ... + 23704023543.

It is an arithmetic number, because the mean of its divisors is an integer number (47408047082).

Almost surely, 2^142224141243 is an apocalyptic number.

142224141243 is a deficient number, since it is larger than the sum of its proper divisors (47408047085).

142224141243 is an equidigital number, since it uses as much as digits as its factorization.

142224141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47408047084.

The product of its digits is 12288, while the sum is 30.

Adding to 142224141243 its reverse (342141422241), we get a palindrome (484365563484).

The spelling of 142224141243 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty-one thousand, two hundred forty-three".