144333418 has 12 divisors (see below), whose sum is σ = 226324098. Its totient is φ = 69028520.

The previous prime is 144333401. The next prime is 144333419. The reversal of 144333418 is 814333441.

It can be written as a sum of positive squares in only one way, i.e., 142491969 + 1841449 = 11937^2 + 1357^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144333418.

It is not an unprimeable number, because it can be changed into a prime (144333419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67153 + ... + 69268.

Almost surely, 2^144333418 is an apocalyptic number.

144333418 is a deficient number, since it is larger than the sum of its proper divisors (81990680).

144333418 is a wasteful number, since it uses less digits than its factorization.

144333418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136469 (or 136446 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 144333418 is about 12013.8843843280. The cubic root of 144333418 is about 524.5525051468.

Adding to 144333418 its reverse (814333441), we get a palindrome (958666859).

The spelling of 144333418 in words is "one hundred forty-four million, three hundred thirty-three thousand, four hundred eighteen".