144468 has 18 divisors (see below), whose sum is σ = 365274. Its totient is φ = 48144.

The previous prime is 144461. The next prime is 144479. The reversal of 144468 is 864441.

144468 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 138384 + 6084 = 372^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144461) by changing a digit.

144468 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1971 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (20293).

2¹⁴⁴⁴⁶⁸ is an apocalyptic number.

144468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144468 is an abundant number, since it is smaller than the sum of its proper divisors (220806).

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

144468 is a wasteful number, since it uses less digits than its factorization.

144468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4018 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 144468 is about 380.0894631531. The cubic root of 144468 is about 52.4715492106.

Subtracting from 144468 its sum of digits (27), we obtain a palindrome (144441).

The spelling of 144468 in words is "one hundred forty-four thousand, four hundred sixty-eight".