142255344243 has 4 divisors (see below), whose sum is σ = 189673792328. Its totient is φ = 94836896160.

The previous prime is 142255344233. The next prime is 142255344269. The reversal of 142255344243 is 342443552241.

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

It is not a de Polignac number, because 142255344243 - 2⁹ = 142255343731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142255344233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23709224038 + ... + 23709224043.

It is an arithmetic number, because the mean of its divisors is an integer number (47418448082).

Almost surely, 2^142255344243 is an apocalyptic number.

142255344243 is a deficient number, since it is larger than the sum of its proper divisors (47418448085).

142255344243 is an equidigital number, since it uses as much as digits as its factorization.

142255344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47418448084.

The product of its digits is 460800, while the sum is 39.

Adding to 142255344243 its reverse (342443552241), we get a palindrome (484698896484).

The spelling of 142255344243 in words is "one hundred forty-two billion, two hundred fifty-five million, three hundred forty-four thousand, two hundred forty-three".