142243044220 has 12 divisors (see below), whose sum is σ = 298710392904. Its totient is φ = 56897217680.

The previous prime is 142243044173. The next prime is 142243044257. The reversal of 142243044220 is 22440342241.

142243044220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 3556076086 + ... + 3556076125.

It is an arithmetic number, because the mean of its divisors is an integer number (24892532742).

Almost surely, 2^142243044220 is an apocalyptic number.

142243044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142243044220 is an abundant number, since it is smaller than the sum of its proper divisors (156467348684).

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

142243044220 is a wasteful number, since it uses less digits than its factorization.

142243044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112152220 (or 7112152218 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 142243044220 its reverse (22440342241), we get a palindrome (164683386461).

The spelling of 142243044220 in words is "one hundred forty-two billion, two hundred forty-three million, forty-four thousand, two hundred twenty".