142142301343421 has 16 divisors (see below), whose sum is σ = 143145325310400. Its totient is φ = 141142103251968.

The previous prime is 142142301343403. The next prime is 142142301343457. The reversal of 142142301343421 is 124343103241241.

It is a cyclic number.

It is not a de Polignac number, because 142142301343421 - 2³⁸ = 141867423436477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142301343321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723718010 + ... + 723914388.

It is an arithmetic number, because the mean of its divisors is an integer number (8946582831900).

Almost surely, 2^{142142301343421} is an apocalyptic number.

It is an amenable number.

142142301343421 is a deficient number, since it is larger than the sum of its proper divisors (1003023966979).

142142301343421 is a wasteful number, since it uses less digits than its factorization.

142142301343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203548.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 142142301343421 its reverse (124343103241241), we get a palindrome (266485404584662).

The spelling of 142142301343421 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-one".