1144422342 has 144 divisors (see below), whose sum is σ = 2977041600. Its totient is φ = 316673280.

The previous prime is 1144422311. The next prime is 1144422379. The reversal of 1144422342 is 2432244411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4788259 + ... + 4788497.

It is an arithmetic number, because the mean of its divisors is an integer number (20673900).

Almost surely, 2^1144422342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144422342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488520800).

1144422342 is an abundant number, since it is smaller than the sum of its proper divisors (1832619258).

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

1144422342 is a wasteful number, since it uses less digits than its factorization.

1144422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 401 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1144422342 is about 33829.3118759457. The cubic root of 1144422342 is about 1045.9929946020.

Adding to 1144422342 its reverse (2432244411), we get a palindrome (3576666753).

The spelling of 1144422342 in words is "one billion, one hundred forty-four million, four hundred twenty-two thousand, three hundred forty-two".