142142301343420 has 192 divisors, whose sum is σ = 353116144023552. Its totient is φ = 47049384960000.

The previous prime is 142142301343403. The next prime is 142142301343457. The reversal of 142142301343420 is 24343103241241.

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, 804562095 + ... + 804738745.

It is an arithmetic number, because the mean of its divisors is an integer number (1839146583456).

Almost surely, 2^{142142301343420} is an apocalyptic number.

142142301343420 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 142142301343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176558072011776).

142142301343420 is an abundant number, since it is smaller than the sum of its proper divisors (210973842680132).

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

142142301343420 is a wasteful number, since it uses less digits than its factorization.

142142301343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178172 (or 178170 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 142142301343420 its reverse (24343103241241), we get a palindrome (166485404584661).

The spelling of 142142301343420 in words is "one hundred forty-two trillion, one hundred forty-two billion, three hundred one million, three hundred forty-three thousand, four hundred twenty".