144719044409 has 8 divisors (see below), whose sum is σ = 152340212640. Its totient is φ = 137098313856.

The previous prime is 144719044397. The next prime is 144719044417. The reversal of 144719044409 is 904440917441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144719044409 is a prime.

It is a super-2 number, since 2×144719044409² (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 (144719044489) 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, 737417 + ... + 912809.

It is an arithmetic number, because the mean of its divisors is an integer number (19042526580).

Almost surely, 2^144719044409 is an apocalyptic number.

144719044409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

144719044409 is a deficient number, since it is larger than the sum of its proper divisors (7621168231).

144719044409 is a wasteful number, since it uses less digits than its factorization.

144719044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218839.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 144719044409 in words is "one hundred forty-four billion, seven hundred nineteen million, forty-four thousand, four hundred nine".