144406 has 8 divisors (see below), whose sum is σ = 219024. Its totient is φ = 71400.

The previous prime is 144383. The next prime is 144407. The reversal of 144406 is 604441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 145 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (27378).

2¹⁴⁴⁴⁰⁶ is an apocalyptic number.

144406 is a deficient number, since it is larger than the sum of its proper divisors (74618).

144406 is a wasteful number, since it uses less digits than its factorization.

144406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144406 is about 380.0078946548. The cubic root of 144406 is about 52.4640418928.

Adding to 144406 its reverse (604441), we get a palindrome (748847).

The spelling of 144406 in words is "one hundred forty-four thousand, four hundred six".