144838979 has 8 divisors (see below), whose sum is σ = 148951488. Its totient is φ = 140736960.

The previous prime is 144838961. The next prime is 144838987. The reversal of 144838979 is 979838441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144838979 - 2²⁴ = 128061763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144838979.

It is not an unprimeable number, because it can be changed into a prime (144838279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31559 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (18618936).

Almost surely, 2^144838979 is an apocalyptic number.

144838979 is a deficient number, since it is larger than the sum of its proper divisors (4112509).

144838979 is an equidigital number, since it uses as much as digits as its factorization.

144838979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245.

The product of its digits is 1741824, while the sum is 53.

The square root of 144838979 is about 12034.9066884625. The cubic root of 144838979 is about 525.1642467203.

The spelling of 144838979 in words is "one hundred forty-four million, eight hundred thirty-eight thousand, nine hundred seventy-nine".