142785310142 has 16 divisors (see below), whose sum is σ = 216723643200. Its totient is φ = 70546874400.

The previous prime is 142785310139. The next prime is 142785310193. The reversal of 142785310142 is 241013587241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142785310096 and 142785310105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591542 + ... + 797177.

It is an arithmetic number, because the mean of its divisors is an integer number (13545227700).

Almost surely, 2^142785310142 is an apocalyptic number.

142785310142 is a deficient number, since it is larger than the sum of its proper divisors (73938333058).

142785310142 is a wasteful number, since it uses less digits than its factorization.

142785310142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389331.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 142785310142 its reverse (241013587241), we get a palindrome (383798897383).

The spelling of 142785310142 in words is "one hundred forty-two billion, seven hundred eighty-five million, three hundred ten thousand, one hundred forty-two".