144388332 has 180 divisors, whose sum is σ = 432579840. Its totient is φ = 41912640.

The previous prime is 144388313. The next prime is 144388333. The reversal of 144388332 is 233883441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144388333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1136853 + ... + 1136979.

Almost surely, 2^144388332 is an apocalyptic number.

144388332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144388332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216289920).

144388332 is an abundant number, since it is smaller than the sum of its proper divisors (288191508).

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

144388332 is a wasteful number, since it uses less digits than its factorization.

144388332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 172 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 144388332 is about 12016.1696059934. The cubic root of 144388332 is about 524.6190215602.

The spelling of 144388332 in words is "one hundred forty-four million, three hundred eighty-eight thousand, three hundred thirty-two".