142163216233446 has 32 divisors (see below), whose sum is σ = 284693310770400. Its totient is φ = 47326601963520.

The previous prime is 142163216233361. The next prime is 142163216233447. The reversal of 142163216233446 is 644332612361241.

It is a junction number, because it is equal to n+sod(n) for n = 142163216233395 and 142163216233404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142163216233447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58339836 + ... + 60727776.

It is an arithmetic number, because the mean of its divisors is an integer number (8896665961575).

Almost surely, 2^{142163216233446} is an apocalyptic number.

142163216233446 is an abundant number, since it is smaller than the sum of its proper divisors (142530094536954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142163216233446 is a wasteful number, since it uses less digits than its factorization.

142163216233446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400744.

The product of its digits is 2985984, while the sum is 48.

Adding to 142163216233446 its reverse (644332612361241), we get a palindrome (786495828594687).

The spelling of 142163216233446 in words is "one hundred forty-two trillion, one hundred sixty-three billion, two hundred sixteen million, two hundred thirty-three thousand, four hundred forty-six".