144686 has 8 divisors (see below), whose sum is σ = 220224. Its totient is φ = 71280.

The previous prime is 144671. The next prime is 144701. The reversal of 144686 is 686441.

144686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144671) and next prime (144701).

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

It is a congruent number.

It is an unprimeable number.

144686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350 + ... + 641.

It is an arithmetic number, because the mean of its divisors is an integer number (27528).

2¹⁴⁴⁶⁸⁶ is an apocalyptic number.

144686 is a deficient number, since it is larger than the sum of its proper divisors (75538).

144686 is an equidigital number, since it uses as much as digits as its factorization.

144686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 4608, while the sum is 29.

The square root of 144686 is about 380.3761296401. The cubic root of 144686 is about 52.4979288677.

The spelling of 144686 in words is "one hundred forty-four thousand, six hundred eighty-six".