142022431144 has 16 divisors (see below), whose sum is σ = 290500427520. Its totient is φ = 64555650480.

The previous prime is 142022431141. The next prime is 142022431183. The reversal of 142022431144 is 441134220241.

It is a super-2 number, since 2×142022431144² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142022431141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806945544 + ... + 806945719.

It is an arithmetic number, because the mean of its divisors is an integer number (18156276720).

Almost surely, 2^142022431144 is an apocalyptic number.

It is an amenable number.

142022431144 is an abundant number, since it is smaller than the sum of its proper divisors (148477996376).

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

142022431144 is a wasteful number, since it uses less digits than its factorization.

142022431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613891280 (or 1613891276 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142022431144 its reverse (441134220241), we get a palindrome (583156651385).

The spelling of 142022431144 in words is "one hundred forty-two billion, twenty-two million, four hundred thirty-one thousand, one hundred forty-four".