144438 has 32 divisors (see below), whose sum is σ = 349440. Its totient is φ = 38880.

The previous prime is 144427. The next prime is 144439. The reversal of 144438 is 834441.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144438.

It is not an unprimeable number, because it can be changed into a prime (144439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹⁴⁴⁴³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174720).

144438 is an abundant number, since it is smaller than the sum of its proper divisors (205002).

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

144438 is a wasteful number, since it uses less digits than its factorization.

144438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its digits is 1536, while the sum is 24.

The square root of 144438 is about 380.0499967110. The cubic root of 144438 is about 52.4679169057.

Adding to 144438 its reverse (834441), we get a palindrome (978879).

It can be divided in two parts, 1444 and 38, that multiplied together give a cube (54872 = 38³).

The spelling of 144438 in words is "one hundred forty-four thousand, four hundred thirty-eight".