144923 has 4 divisors (see below), whose sum is σ = 151248. Its totient is φ = 138600.

The previous prime is 144917. The next prime is 144931. The reversal of 144923 is 329441.

144923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144923 - 2⁸ = 144667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6301 = 144923 / (1 + 4 + 4 + 9 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (144973) 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, 3128 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (37812).

2¹⁴⁴⁹²³ is an apocalyptic number.

144923 is a deficient number, since it is larger than the sum of its proper divisors (6325).

144923 is an equidigital number, since it uses as much as digits as its factorization.

144923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324.

The product of its digits is 864, while the sum is 23.

The square root of 144923 is about 380.6875359136. The cubic root of 144923 is about 52.5265776239.

The spelling of 144923 in words is "one hundred forty-four thousand, nine hundred twenty-three".