144788342 has 8 divisors (see below), whose sum is σ = 217344816. Its totient is φ = 72340072.

The previous prime is 144788339. The next prime is 144788359. The reversal of 144788342 is 243887441.

It is a happy number.

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 144788342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23618 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (27168102).

Almost surely, 2^144788342 is an apocalyptic number.

144788342 is a deficient number, since it is larger than the sum of its proper divisors (72556474).

144788342 is a wasteful number, since it uses less digits than its factorization.

144788342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54102.

The product of its digits is 172032, while the sum is 41.

The square root of 144788342 is about 12032.8027491520. The cubic root of 144788342 is about 525.1030388839.

Subtracting 144788342 from its reverse (243887441), we obtain a palindrome (99099099).

The spelling of 144788342 in words is "one hundred forty-four million, seven hundred eighty-eight thousand, three hundred forty-two".