144688 has 10 divisors (see below), whose sum is σ = 280364. Its totient is φ = 72336.

The previous prime is 144671. The next prime is 144701. The reversal of 144688 is 886441.

It is a plaindrome in base 10.

It is an unprimeable number.

144688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4506 + ... + 4537.

2¹⁴⁴⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

144688 is a deficient number, since it is larger than the sum of its proper divisors (135676).

144688 is an equidigital number, since it uses as much as digits as its factorization.

144688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9051 (or 9045 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 144688 is about 380.3787586078. The cubic root of 144688 is about 52.4981707602.

The spelling of 144688 in words is "one hundred forty-four thousand, six hundred eighty-eight".