142244023422 has 16 divisors (see below), whose sum is σ = 286534725120. Its totient is φ = 47073561432.

The previous prime is 142244023421. The next prime is 142244023433. The reversal of 142244023422 is 224320442241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142244023422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244023421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85277358 + ... + 85279025.

It is an arithmetic number, because the mean of its divisors is an integer number (17908420320).

Almost surely, 2^142244023422 is an apocalyptic number.

142244023422 is an abundant number, since it is smaller than the sum of its proper divisors (144290701698).

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

142244023422 is a wasteful number, since it uses less digits than its factorization.

142244023422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170556527.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 142244023422 its reverse (224320442241), we get a palindrome (366564465663).

The spelling of 142244023422 in words is "one hundred forty-two billion, two hundred forty-four million, twenty-three thousand, four hundred twenty-two".