144237216 has 24 divisors (see below), whose sum is σ = 378622944. Its totient is φ = 48079040.

The previous prime is 144237187. The next prime is 144237229. The reversal of 144237216 is 612732441.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751140 + ... + 751331.

It is an arithmetic number, because the mean of its divisors is an integer number (15775956).

Almost surely, 2^144237216 is an apocalyptic number.

144237216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144237216 is an abundant number, since it is smaller than the sum of its proper divisors (234385728).

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

144237216 is a wasteful number, since it uses less digits than its factorization.

144237216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502484 (or 1502476 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 144237216 is about 12009.8799327887. The cubic root of 144237216 is about 524.4359365873.

Adding to 144237216 its reverse (612732441), we get a palindrome (756969657).

It can be divided in two parts, 144237 and 216, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 144237216 in words is "one hundred forty-four million, two hundred thirty-seven thousand, two hundred sixteen".