144446 has 4 divisors (see below), whose sum is σ = 216672. Its totient is φ = 72222.

The previous prime is 144439. The next prime is 144451. The reversal of 144446 is 644441.

144446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (54168).

2¹⁴⁴⁴⁴⁶ is an apocalyptic number.

144446 is a deficient number, since it is larger than the sum of its proper divisors (72226).

144446 is an equidigital number, since it uses as much as digits as its factorization.

144446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72225.

The product of its digits is 1536, while the sum is 23.

The square root of 144446 is about 380.0605214962. The cubic root of 144446 is about 52.4688855695.

Adding to 144446 its reverse (644441), we get a palindrome (788887).

The spelling of 144446 in words is "one hundred forty-four thousand, four hundred forty-six".