144668 has 12 divisors (see below), whose sum is σ = 257880. Its totient is φ = 70992.

The previous prime is 144667. The next prime is 144671. The reversal of 144668 is 866441.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 144668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 542.

It is an arithmetic number, because the mean of its divisors is an integer number (21490).

2¹⁴⁴⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

144668 is a deficient number, since it is larger than the sum of its proper divisors (113212).

144668 is a wasteful number, since it uses less digits than its factorization.

144668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

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

The square root of 144668 is about 380.3524681135. The cubic root of 144668 is about 52.4957517349.

The spelling of 144668 in words is "one hundred forty-four thousand, six hundred sixty-eight".