142142223228 has 24 divisors (see below), whose sum is σ = 331675994832. Its totient is φ = 47379197184.

The previous prime is 142142223227. The next prime is 142142223229. The reversal of 142142223228 is 822322241241.

It is an interprime number because it is at equal distance from previous prime (142142223227) and next prime (142142223229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142223221) 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 7 ways as a sum of consecutive naturals, for example, 227226 + ... + 579582.

It is an arithmetic number, because the mean of its divisors is an integer number (13819833118).

Almost surely, 2^142142223228 is an apocalyptic number.

It is an amenable number.

142142223228 is an abundant number, since it is smaller than the sum of its proper divisors (189533771604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142142223228 is a wasteful number, since it uses less digits than its factorization.

142142223228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385981 (or 385979 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

Adding to 142142223228 its reverse (822322241241), we get a palindrome (964464464469).

The spelling of 142142223228 in words is "one hundred forty-two billion, one hundred forty-two million, two hundred twenty-three thousand, two hundred twenty-eight".