144830216 has 24 divisors (see below), whose sum is σ = 273816270. Its totient is φ = 71817408.

The previous prime is 144830207. The next prime is 144830219. The reversal of 144830216 is 612038441.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 1932100 = 11954^2 + 1390^2 .

It is not an unprimeable number, because it can be changed into a prime (144830219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154100 + ... + 155036.

Almost surely, 2^144830216 is an apocalyptic number.

It is an amenable number.

144830216 is a deficient number, since it is larger than the sum of its proper divisors (128986054).

144830216 is an equidigital number, since it uses as much as digits as its factorization.

144830216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 144830216 is about 12034.5426169838. The cubic root of 144830216 is about 525.1536554021.

Adding to 144830216 its reverse (612038441), we get a palindrome (756868657).

Subtracting 144830216 from its reverse (612038441), we obtain a square (467208225 = 21615²).

The spelling of 144830216 in words is "one hundred forty-four million, eight hundred thirty thousand, two hundred sixteen".