144985 has 8 divisors (see below), whose sum is σ = 176256. Its totient is φ = 114480.

The previous prime is 144983. The next prime is 145007. The reversal of 144985 is 589441.

It is a happy number.

144985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144985 - 2¹ = 144983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144983) 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, 400 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2¹⁴⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

144985 is a deficient number, since it is larger than the sum of its proper divisors (31271).

144985 is a wasteful number, since it uses less digits than its factorization.

144985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its digits is 5760, while the sum is 31.

The square root of 144985 is about 380.7689588189. The cubic root of 144985 is about 52.5340670804.

The spelling of 144985 in words is "one hundred forty-four thousand, nine hundred eighty-five".