142143334431503 has 4 divisors (see below), whose sum is σ = 142259559563088. Its totient is φ = 142027109299920.

The previous prime is 142143334431451. The next prime is 142143334431529. The reversal of 142143334431503 is 305134433341241.

142143334431503 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 not a de Polignac number, because 142143334431503 - 2¹⁰ = 142143334430479 is a prime.

It is a super-2 number, since 2×142143334431503² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142143334439503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58112563958 + ... + 58112566403.

It is an arithmetic number, because the mean of its divisors is an integer number (35564889890772).

Almost surely, 2^{142143334431503} is an apocalyptic number.

142143334431503 is a deficient number, since it is larger than the sum of its proper divisors (116225131585).

142143334431503 is a wasteful number, since it uses less digits than its factorization.

142143334431503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116225131584.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 142143334431503 its reverse (305134433341241), we get a palindrome (447277767772744).

The spelling of 142143334431503 in words is "one hundred forty-two trillion, one hundred forty-three billion, three hundred thirty-four million, four hundred thirty-one thousand, five hundred three".