142231123244 has 48 divisors (see below), whose sum is σ = 292449712128. Its totient is φ = 59247972288.

The previous prime is 142231123241. The next prime is 142231123273. The reversal of 142231123244 is 442321132241.

It is not an unprimeable number, because it can be changed into a prime (142231123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948557 + ... + 1088219.

It is an arithmetic number, because the mean of its divisors is an integer number (6092702336).

Almost surely, 2^142231123244 is an apocalyptic number.

142231123244 is a gapful number since it is divisible by the number (14) 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 142231123244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146224856064).

142231123244 is an abundant number, since it is smaller than the sum of its proper divisors (150218588884).

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

142231123244 is a wasteful number, since it uses less digits than its factorization.

142231123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140694 (or 140692 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 142231123244 its reverse (442321132241), we get a palindrome (584552255485).

The spelling of 142231123244 in words is "one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-four".