144478413979 has 8 divisors (see below), whose sum is σ = 150778998432. Its totient is φ = 138179405760.

The previous prime is 144478413971. The next prime is 144478414027. The reversal of 144478413979 is 979314874441.

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 144478413979 - 2³ = 144478413971 is a prime.

It is a super-2 number, since 2×144478413979² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144478413971) 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, 204802 + ... + 575239.

It is an arithmetic number, because the mean of its divisors is an integer number (18847374804).

Almost surely, 2^144478413979 is an apocalyptic number.

144478413979 is a deficient number, since it is larger than the sum of its proper divisors (6300584453).

144478413979 is an equidigital number, since it uses as much as digits as its factorization.

144478413979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788117.

The product of its digits is 24385536, while the sum is 61.

The spelling of 144478413979 in words is "one hundred forty-four billion, four hundred seventy-eight million, four hundred thirteen thousand, nine hundred seventy-nine".