302143221142 has 16 divisors (see below), whose sum is σ = 520127009280. Its totient is φ = 128948151528.

The previous prime is 302143221119. The next prime is 302143221173. The reversal of 302143221142 is 241122341203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45146568 + ... + 45153259.

It is an arithmetic number, because the mean of its divisors is an integer number (32507938080).

Almost surely, 2^302143221142 is an apocalyptic number.

302143221142 is a deficient number, since it is larger than the sum of its proper divisors (217983788138).

302143221142 is a wasteful number, since it uses less digits than its factorization.

302143221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90300075.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 302143221142 its reverse (241122341203), we get a palindrome (543265562345).

The spelling of 302143221142 in words is "three hundred two billion, one hundred forty-three million, two hundred twenty-one thousand, one hundred forty-two".