142424215224340 has 192 divisors, whose sum is σ = 345391764480000. Its totient is φ = 48323335104000.

The previous prime is 142424215224283. The next prime is 142424215224359. The reversal of 142424215224340 is 43422512424241.

It is a junction number, because it is equal to n+sod(n) for n = 142424215224293 and 142424215224302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9789271386 + ... + 9789285934.

It is an arithmetic number, because the mean of its divisors is an integer number (1798915440000).

Almost surely, 2^{142424215224340} is an apocalyptic number.

142424215224340 is a gapful number since it is divisible by the number (10) 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 142424215224340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172695882240000).

142424215224340 is an abundant number, since it is smaller than the sum of its proper divisors (202967549255660).

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

142424215224340 is a wasteful number, since it uses less digits than its factorization.

142424215224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16446 (or 16444 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 142424215224340 its reverse (43422512424241), we get a palindrome (185846727648581).

The spelling of 142424215224340 in words is "one hundred forty-two trillion, four hundred twenty-four billion, two hundred fifteen million, two hundred twenty-four thousand, three hundred forty".