144816388 has 12 divisors (see below), whose sum is σ = 254947392. Its totient is φ = 71974280.

The previous prime is 144816383. The next prime is 144816403. The reversal of 144816388 is 883618441.

It is not an unprimeable number, because it can be changed into a prime (144816383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107728 + ... + 109063.

It is an arithmetic number, because the mean of its divisors is an integer number (21245616).

Almost surely, 2^144816388 is an apocalyptic number.

It is an amenable number.

144816388 is a deficient number, since it is larger than the sum of its proper divisors (110131004).

144816388 is a wasteful number, since it uses less digits than its factorization.

144816388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216962 (or 216960 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 144816388 is about 12033.9680903682. The cubic root of 144816388 is about 525.1369414501.

The spelling of 144816388 in words is "one hundred forty-four million, eight hundred sixteen thousand, three hundred eighty-eight".