144304216 has 64 divisors (see below), whose sum is σ = 323136000. Its totient is φ = 60357024.

The previous prime is 144304201. The next prime is 144304267. The reversal of 144304216 is 612403441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117381 + ... + 118603.

It is an arithmetic number, because the mean of its divisors is an integer number (5049000).

Almost surely, 2^144304216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144304216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161568000).

144304216 is an abundant number, since it is smaller than the sum of its proper divisors (178831784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144304216 is a wasteful number, since it uses less digits than its factorization.

144304216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 144304216 is about 12012.6689790404. The cubic root of 144304216 is about 524.5171263790.

Adding to 144304216 its reverse (612403441), we get a palindrome (756707657).

The spelling of 144304216 in words is "one hundred forty-four million, three hundred four thousand, two hundred sixteen".