144422313 has 16 divisors (see below), whose sum is σ = 229641216. Its totient is φ = 78938640.

The previous prime is 144422281. The next prime is 144422323. The reversal of 144422313 is 313224441.

It is not a de Polignac number, because 144422313 - 2⁵ = 144422281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144422323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149023 + ... + 149988.

It is an arithmetic number, because the mean of its divisors is an integer number (14352576).

Almost surely, 2^144422313 is an apocalyptic number.

It is an amenable number.

144422313 is a deficient number, since it is larger than the sum of its proper divisors (85218903).

144422313 is a wasteful number, since it uses less digits than its factorization.

144422313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299044.

The product of its digits is 2304, while the sum is 24.

The square root of 144422313 is about 12017.5834925329. The cubic root of 144422313 is about 524.6601737327.

Adding to 144422313 its reverse (313224441), we get a palindrome (457646754).

The spelling of 144422313 in words is "one hundred forty-four million, four hundred twenty-two thousand, three hundred thirteen".