144685 has 8 divisors (see below), whose sum is σ = 182880. Its totient is φ = 109584.

The previous prime is 144671. The next prime is 144701. The reversal of 144685 is 586441.

144685 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 a cyclic number.

It is not a de Polignac number, because 144685 - 2⁹ = 144173 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (22860).

2¹⁴⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

144685 is a deficient number, since it is larger than the sum of its proper divisors (38195).

144685 is a wasteful number, since it uses less digits than its factorization.

144685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its digits is 3840, while the sum is 28.

The square root of 144685 is about 380.3748151495. The cubic root of 144685 is about 52.4978079206.

The spelling of 144685 in words is "one hundred forty-four thousand, six hundred eighty-five".