142441422 has 32 divisors (see below), whose sum is σ = 292626432. Its totient is φ = 46204704.

The previous prime is 142441391. The next prime is 142441427. The reversal of 142441422 is 224144241.

It is a junction number, because it is equal to n+sod(n) for n = 142441392 and 142441401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38623 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (9144576).

Almost surely, 2^142441422 is an apocalyptic number.

142441422 is an abundant number, since it is smaller than the sum of its proper divisors (150185010).

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

142441422 is a wasteful number, since it uses less digits than its factorization.

142441422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its digits is 2048, while the sum is 24.

The square root of 142441422 is about 11934.8825716888. The cubic root of 142441422 is about 522.2503826640.

Adding to 142441422 its reverse (224144241), we get a palindrome (366585663).

The spelling of 142441422 in words is "one hundred forty-two million, four hundred forty-one thousand, four hundred twenty-two".