144442342 has 8 divisors (see below), whose sum is σ = 236360232. Its totient is φ = 65655600.

The previous prime is 144442321. The next prime is 144442349. The reversal of 144442342 is 243244441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144442342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282759 + ... + 3282802.

It is an arithmetic number, because the mean of its divisors is an integer number (29545029).

Almost surely, 2^144442342 is an apocalyptic number.

144442342 is a deficient number, since it is larger than the sum of its proper divisors (91917890).

144442342 is a wasteful number, since it uses less digits than its factorization.

144442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565574.

The product of its digits is 12288, while the sum is 28.

The square root of 144442342 is about 12018.4167842524. The cubic root of 144442342 is about 524.6844265246.

Adding to 144442342 its reverse (243244441), we get a palindrome (387686783).

The spelling of 144442342 in words is "one hundred forty-four million, four hundred forty-two thousand, three hundred forty-two".