144928 has 24 divisors (see below), whose sum is σ = 326592. Its totient is φ = 62016.

The previous prime is 144917. The next prime is 144931. The reversal of 144928 is 829441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 144896 and 144905.

It is an unprimeable number.

144928 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, 100 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2¹⁴⁴⁹²⁸ is an apocalyptic number.

It is an amenable number.

144928 is an abundant number, since it is smaller than the sum of its proper divisors (181664).

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

144928 is an equidigital number, since it uses as much as digits as its factorization.

144928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 656 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 144928 is about 380.6941029225. The cubic root of 144928 is about 52.5271816915.

The spelling of 144928 in words is "one hundred forty-four thousand, nine hundred twenty-eight".