142422404140 has 24 divisors (see below), whose sum is σ = 302690510640. Its totient is φ = 56282587968.

The previous prime is 142422404123. The next prime is 142422404141. The reversal of 142422404140 is 41404224241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142422404099 and 142422404108.

It is not an unprimeable number, because it can be changed into a prime (142422404141) 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, 42896655 + ... + 42899974.

It is an arithmetic number, because the mean of its divisors is an integer number (12612104610).

Almost surely, 2^142422404140 is an apocalyptic number.

142422404140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142422404140 is an abundant number, since it is smaller than the sum of its proper divisors (160268106500).

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

142422404140 is a wasteful number, since it uses less digits than its factorization.

142422404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85796721 (or 85796719 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 142422404140 its reverse (41404224241), we get a palindrome (183826628381).

The spelling of 142422404140 in words is "one hundred forty-two billion, four hundred twenty-two million, four hundred four thousand, one hundred forty".