142216245353420 has 96 divisors (see below), whose sum is σ = 343804115558400. Its totient is φ = 48404897858304.

The previous prime is 142216245353407. The next prime is 142216245353459. The reversal of 142216245353420 is 24353542612241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230078294 + ... + 230695586.

It is an arithmetic number, because the mean of its divisors is an integer number (3581292870400).

Almost surely, 2^{142216245353420} is an apocalyptic number.

142216245353420 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 142216245353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171902057779200).

142216245353420 is an abundant number, since it is smaller than the sum of its proper divisors (201587870204980).

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

142216245353420 is a wasteful number, since it uses less digits than its factorization.

142216245353420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629287 (or 629285 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 142216245353420 its reverse (24353542612241), we get a palindrome (166569787965661).

The spelling of 142216245353420 in words is "one hundred forty-two trillion, two hundred sixteen billion, two hundred forty-five million, three hundred fifty-three thousand, four hundred twenty".