144478 has 16 divisors (see below), whose sum is σ = 233280. Its totient is φ = 66976.

The previous prime is 144461. The next prime is 144479. The reversal of 144478 is 874441.

144478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700 + ... + 2752.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2¹⁴⁴⁴⁷⁸ is an apocalyptic number.

144478 is a deficient number, since it is larger than the sum of its proper divisors (88802).

144478 is a wasteful number, since it uses less digits than its factorization.

144478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its digits is 3584, while the sum is 28.

The square root of 144478 is about 380.1026177232. The cubic root of 144478 is about 52.4727598671.

The spelling of 144478 in words is "one hundred forty-four thousand, four hundred seventy-eight".