144628979 has 8 divisors (see below), whose sum is σ = 167058288. Its totient is φ = 123746560.

The previous prime is 144628973. The next prime is 144628999. The reversal of 144628979 is 979826441.

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 144628979 - 2⁸ = 144628723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144628973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386522 + ... + 386895.

It is an arithmetic number, because the mean of its divisors is an integer number (20882286).

Almost surely, 2^144628979 is an apocalyptic number.

144628979 is a deficient number, since it is larger than the sum of its proper divisors (22429309).

144628979 is a wasteful number, since it uses less digits than its factorization.

144628979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773445.

The product of its digits is 870912, while the sum is 50.

The square root of 144628979 is about 12026.1789027105. The cubic root of 144628979 is about 524.9103145363.

The spelling of 144628979 in words is "one hundred forty-four million, six hundred twenty-eight thousand, nine hundred seventy-nine".