144220342 has 8 divisors (see below), whose sum is σ = 247234896. Its totient is φ = 61808712.

The previous prime is 144220337. The next prime is 144220343. The reversal of 144220342 is 243022441.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144220343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150713 + ... + 5150740.

It is an arithmetic number, because the mean of its divisors is an integer number (30904362).

Almost surely, 2^144220342 is an apocalyptic number.

144220342 is a deficient number, since it is larger than the sum of its proper divisors (103014554).

144220342 is a wasteful number, since it uses less digits than its factorization.

144220342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301462.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144220342 is about 12009.1774072998. The cubic root of 144220342 is about 524.4154849143.

Adding to 144220342 its reverse (243022441), we get a palindrome (387242783).

The spelling of 144220342 in words is "one hundred forty-four million, two hundred twenty thousand, three hundred forty-two".