142231443616 has 48 divisors (see below), whose sum is σ = 286448956416. Its totient is φ = 69487508736.

The previous prime is 142231443611. The next prime is 142231443691. The reversal of 142231443616 is 616344132241.

It is not an unprimeable number, because it can be changed into a prime (142231443611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835030 + ... + 990826.

It is an arithmetic number, because the mean of its divisors is an integer number (5967686592).

Almost surely, 2^142231443616 is an apocalyptic number.

142231443616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142231443616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143224478208).

142231443616 is an abundant number, since it is smaller than the sum of its proper divisors (144217512800).

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

142231443616 is a wasteful number, since it uses less digits than its factorization.

142231443616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156461 (or 156453 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

Adding to 142231443616 its reverse (616344132241), we get a palindrome (758575575857).

The spelling of 142231443616 in words is "one hundred forty-two billion, two hundred thirty-one million, four hundred forty-three thousand, six hundred sixteen".