144478814 has 8 divisors (see below), whose sum is σ = 216816528. Its totient is φ = 72206640.

The previous prime is 144478813. The next prime is 144478819. The reversal of 144478814 is 418874441.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144478811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442 + ... + 19949.

It is an arithmetic number, because the mean of its divisors is an integer number (27102066).

Almost surely, 2^144478814 is an apocalyptic number.

144478814 is a deficient number, since it is larger than the sum of its proper divisors (72337714).

144478814 is a wasteful number, since it uses less digits than its factorization.

144478814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32770.

The product of its digits is 114688, while the sum is 41.

The square root of 144478814 is about 12019.9340264412. The cubic root of 144478814 is about 524.7285841211.

The spelling of 144478814 in words is "one hundred forty-four million, four hundred seventy-eight thousand, eight hundred fourteen".