142142301343321 has 2 divisors, whose sum is σ = 142142301343322. Its totient is φ = 142142301343320.

The previous prime is 142142301343249. The next prime is 142142301343369. The reversal of 142142301343321 is 123343103241241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136477044510921 + 5665256832400 = 11682339^2 + 2380180^2 .

It is a cyclic number.

It is not a de Polignac number, because 142142301343321 - 2³⁵ = 142107941604953 is a prime.

It is a super-2 number, since 2×142142301343321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142142301343391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071150671660 + 71071150671661.

It is an arithmetic number, because the mean of its divisors is an integer number (71071150671661).

Almost surely, 2^{142142301343321} is an apocalyptic number.

It is an amenable number.

142142301343321 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142301343321 is an equidigital number, since it uses as much as digits as its factorization.

142142301343321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 142142301343321 its reverse (123343103241241), we get a palindrome (265485404584562).

The spelling of 142142301343321 in words is "one hundred forty-two trillion, one hundred forty-two billion, three hundred one million, three hundred forty-three thousand, three hundred twenty-one".