144328 has 8 divisors (see below), whose sum is σ = 270630. Its totient is φ = 72160.

The previous prime is 144323. The next prime is 144341. The reversal of 144328 is 823441.

It can be written as a sum of positive squares in only one way, i.e., 142884 + 1444 = 378^2 + 38^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144299 and 144308.

It is not an unprimeable number, because it can be changed into a prime (144323) by changing a digit.

144328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013 + ... + 9028.

2¹⁴⁴³²⁸ is an apocalyptic number.

It is an amenable number.

144328 is a deficient number, since it is larger than the sum of its proper divisors (126302).

144328 is a wasteful number, since it uses less digits than its factorization.

144328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18047 (or 18043 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 144328 is about 379.9052513456. The cubic root of 144328 is about 52.4545941499.

Adding to 144328 its reverse (823441), we get a palindrome (967769).

It can be divided in two parts, 1443 and 28, that multiplied together give a palindrome (40404).

The spelling of 144328 in words is "one hundred forty-four thousand, three hundred twenty-eight".