142242410321 has 16 divisors (see below), whose sum is σ = 158976288576. Its totient is φ = 126143040000.

The previous prime is 142242410311. The next prime is 142242410341. The reversal of 142242410321 is 123014242241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142242410321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142242410311) 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, 7098206 + ... + 7118216.

It is an arithmetic number, because the mean of its divisors is an integer number (9936018036).

Almost surely, 2^142242410321 is an apocalyptic number.

142242410321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142242410321 is a deficient number, since it is larger than the sum of its proper divisors (16733878255).

142242410321 is a wasteful number, since it uses less digits than its factorization.

142242410321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35824.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142242410321 its reverse (123014242241), we get a palindrome (265256652562).

The spelling of 142242410321 in words is "one hundred forty-two billion, two hundred forty-two million, four hundred ten thousand, three hundred twenty-one".