142555331543 has 4 divisors (see below), whose sum is σ = 142558402200. Its totient is φ = 142552260888.

The previous prime is 142555331497. The next prime is 142555331557. The reversal of 142555331543 is 345133555241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345133555241 = 229 ⋅1507133429.

It is a cyclic number.

It is not a de Polignac number, because 142555331543 - 2¹⁴ = 142555315159 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 142555331543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555331843) 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, 1464605 + ... + 1558902.

It is an arithmetic number, because the mean of its divisors is an integer number (35639600550).

Almost surely, 2^142555331543 is an apocalyptic number.

142555331543 is a deficient number, since it is larger than the sum of its proper divisors (3070657).

142555331543 is an equidigital number, since it uses as much as digits as its factorization.

142555331543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070656.

The product of its digits is 540000, while the sum is 41.

Adding to 142555331543 its reverse (345133555241), we get a palindrome (487688886784).

The spelling of 142555331543 in words is "one hundred forty-two billion, five hundred fifty-five million, three hundred thirty-one thousand, five hundred forty-three".