144442322 has 16 divisors (see below), whose sum is σ = 219497472. Its totient is φ = 71281200.

The previous prime is 144442321. The next prime is 144442349. The reversal of 144442322 is 223244441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144442291 and 144442300.

It is not an unprimeable number, because it can be changed into a prime (144442321) 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 7 ways as a sum of consecutive naturals, for example, 76433 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (13718592).

Almost surely, 2^144442322 is an apocalyptic number.

144442322 is a deficient number, since it is larger than the sum of its proper divisors (75055150).

144442322 is a wasteful number, since it uses less digits than its factorization.

144442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its digits is 6144, while the sum is 26.

The square root of 144442322 is about 12018.4159521960. The cubic root of 144442322 is about 524.6844023080.

Adding to 144442322 its reverse (223244441), we get a palindrome (367686763).

The spelling of 144442322 in words is "one hundred forty-four million, four hundred forty-two thousand, three hundred twenty-two".