144216338 has 32 divisors (see below), whose sum is σ = 263741184. Its totient is φ = 57733632.

The previous prime is 144216337. The next prime is 144216421. The reversal of 144216338 is 833612441.

It is a super-2 number, since 2×144216338² = 41596704292260488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144216337) 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, 30395 + ... + 34817.

It is an arithmetic number, because the mean of its divisors is an integer number (8241912).

Almost surely, 2^144216338 is an apocalyptic number.

144216338 is a deficient number, since it is larger than the sum of its proper divisors (119524846).

144216338 is a wasteful number, since it uses less digits than its factorization.

144216338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586.

The product of its digits is 13824, while the sum is 32.

The square root of 144216338 is about 12009.0107003033. The cubic root of 144216338 is about 524.4106317408.

Adding to 144216338 its reverse (833612441), we get a palindrome (977828779).

The spelling of 144216338 in words is "one hundred forty-four million, two hundred sixteen thousand, three hundred thirty-eight".