144138288 has 80 divisors (see below), whose sum is σ = 435972096. Its totient is φ = 40174080.

The previous prime is 144138233. The next prime is 144138299. The reversal of 144138288 is 882831441.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 8545 + ... + 19007.

Almost surely, 2^144138288 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 144138288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217986048).

144138288 is an abundant number, since it is smaller than the sum of its proper divisors (291833808).

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

144138288 is a wasteful number, since it uses less digits than its factorization.

144138288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 10516 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 144138288 is about 12005.7606173037. The cubic root of 144138288 is about 524.3160108483.

The spelling of 144138288 in words is "one hundred forty-four million, one hundred thirty-eight thousand, two hundred eighty-eight".