142634523443 has 4 divisors (see below), whose sum is σ = 143579123088. Its totient is φ = 141689923800.

The previous prime is 142634523407. The next prime is 142634523527. The reversal of 142634523443 is 344325436241.

142634523443 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142634523443 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 142634523443.

It is not an unprimeable number, because it can be changed into a prime (142634513443) 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, 472299596 + ... + 472299897.

It is an arithmetic number, because the mean of its divisors is an integer number (35894780772).

Almost surely, 2^142634523443 is an apocalyptic number.

142634523443 is a deficient number, since it is larger than the sum of its proper divisors (944599645).

142634523443 is an equidigital number, since it uses as much as digits as its factorization.

142634523443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944599644.

The product of its digits is 829440, while the sum is 41.

Adding to 142634523443 its reverse (344325436241), we get a palindrome (486959959684).

The spelling of 142634523443 in words is "one hundred forty-two billion, six hundred thirty-four million, five hundred twenty-three thousand, four hundred forty-three".