142330220247 has 4 divisors (see below), whose sum is σ = 189773627000. Its totient is φ = 94886813496.

The previous prime is 142330220191. The next prime is 142330220269. The reversal of 142330220247 is 742022033241.

142330220247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142330220247 - 2¹⁵ = 142330187479 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 (142330220447) 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 in 3 ways as a sum of consecutive naturals, for example, 23721703372 + ... + 23721703377.

It is an arithmetic number, because the mean of its divisors is an integer number (47443406750).

Almost surely, 2^142330220247 is an apocalyptic number.

142330220247 is a deficient number, since it is larger than the sum of its proper divisors (47443406753).

142330220247 is an equidigital number, since it uses as much as digits as its factorization.

142330220247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47443406752.

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 142330220247 its reverse (742022033241), we get a palindrome (884352253488).

The spelling of 142330220247 in words is "one hundred forty-two billion, three hundred thirty million, two hundred twenty thousand, two hundred forty-seven".