144684 has 18 divisors (see below), whose sum is σ = 365820. Its totient is φ = 48216.

The previous prime is 144671. The next prime is 144701. The reversal of 144684 is 486441.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1974 + ... + 2045.

2¹⁴⁴⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

144684 is an abundant number, since it is smaller than the sum of its proper divisors (221136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144684 is a wasteful number, since it uses less digits than its factorization.

144684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029 (or 4024 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 144684 is about 380.3735006543. The cubic root of 144684 is about 52.4976869729.

It can be divided in two parts, 144 and 684, that added together give a palindrome (828).

The spelling of 144684 in words is "one hundred forty-four thousand, six hundred eighty-four".