142314222247 has 4 divisors (see below), whose sum is σ = 146160552616. Its totient is φ = 138467891880.

The previous prime is 142314222241. The next prime is 142314222277. The reversal of 142314222247 is 742222413241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142314222247 - 2¹¹ = 142314220199 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 (142314222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923165129 + ... + 1923165202.

It is an arithmetic number, because the mean of its divisors is an integer number (36540138154).

Almost surely, 2^142314222247 is an apocalyptic number.

142314222247 is a deficient number, since it is larger than the sum of its proper divisors (3846330369).

142314222247 is an equidigital number, since it uses as much as digits as its factorization.

142314222247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846330368.

The product of its digits is 43008, while the sum is 34.

Adding to 142314222247 its reverse (742222413241), we get a palindrome (884536635488).

The spelling of 142314222247 in words is "one hundred forty-two billion, three hundred fourteen million, two hundred twenty-two thousand, two hundred forty-seven".