144220315 has 8 divisors (see below), whose sum is σ = 173709360. Its totient is φ = 114946272.

The previous prime is 144220303. The next prime is 144220331. The reversal of 144220315 is 513022441.

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

It is a cyclic number.

It is not a de Polignac number, because 144220315 - 2¹⁷ = 144089243 is a prime.

It is an unprimeable number.

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, 52269 + ... + 54958.

It is an arithmetic number, because the mean of its divisors is an integer number (21713670).

Almost surely, 2^144220315 is an apocalyptic number.

144220315 is a deficient number, since it is larger than the sum of its proper divisors (29489045).

144220315 is a wasteful number, since it uses less digits than its factorization.

144220315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107501.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144220315 is about 12009.1762831595. The cubic root of 144220315 is about 524.4154521884.

Adding to 144220315 its reverse (513022441), we get a palindrome (657242756).

The spelling of 144220315 in words is "one hundred forty-four million, two hundred twenty thousand, three hundred fifteen".