144815 has 8 divisors (see below), whose sum is σ = 189648. Its totient is φ = 105280.

The previous prime is 144791. The next prime is 144817. The reversal of 144815 is 518441.

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

It is not a de Polignac number, because 144815 - 2⁶ = 144751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144815.

It is not an unprimeable number, because it can be changed into a prime (144817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (23706).

2¹⁴⁴⁸¹⁵ is an apocalyptic number.

144815 is a deficient number, since it is larger than the sum of its proper divisors (44833).

144815 is a wasteful number, since it uses less digits than its factorization.

144815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its digits is 640, while the sum is 23.

The square root of 144815 is about 380.5456608608. The cubic root of 144815 is about 52.5135263711.

It can be divided in two parts, 144 and 815, that added together give a palindrome (959).

The spelling of 144815 in words is "one hundred forty-four thousand, eight hundred fifteen".