144979 has 4 divisors (see below), whose sum is σ = 146376. Its totient is φ = 143584.

The previous prime is 144973. The next prime is 144983. The reversal of 144979 is 979441.

144979 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, and also an emirpimes, since its reverse is a distinct semiprime: 979441 = 73 ⋅13417.

It is a cyclic number.

It is not a de Polignac number, because 144979 - 2¹⁷ = 13907 is a prime.

It is a Duffinian number.

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, 529 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (36594).

2¹⁴⁴⁹⁷⁹ is an apocalyptic number.

144979 is a deficient number, since it is larger than the sum of its proper divisors (1397).

144979 is a wasteful number, since it uses less digits than its factorization.

144979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its digits is 9072, while the sum is 34.

The square root of 144979 is about 380.7610799438. The cubic root of 144979 is about 52.5333423876.

The spelling of 144979 in words is "one hundred forty-four thousand, nine hundred seventy-nine".