142222112423424 has 640 divisors, whose sum is σ = 467180515676160. Its totient is φ = 42357183897600.

The previous prime is 142222112423423. The next prime is 142222112423453. The reversal of 142222112423424 is 424324211222241.

142222112423424 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 221 + 1 + 2 + 4 + 2 + 3 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222112423423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4513395829 + ... + 4513427339.

It is an arithmetic number, because the mean of its divisors is an integer number (729969555744).

Almost surely, 2^{142222112423424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142222112423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233590257838080).

142222112423424 is an abundant number, since it is smaller than the sum of its proper divisors (324958403252736).

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

142222112423424 is a wasteful number, since it uses less digits than its factorization.

142222112423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059 (or 32037 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 142222112423424 its reverse (424324211222241), we get a palindrome (566546323645665).

The spelling of 142222112423424 in words is "one hundred forty-two trillion, two hundred twenty-two billion, one hundred twelve million, four hundred twenty-three thousand, four hundred twenty-four".