144465 has 8 divisors (see below), whose sum is σ = 231168. Its totient is φ = 77040.

The previous prime is 144461. The next prime is 144479. The reversal of 144465 is 564441.

144465 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 144465 - 2² = 144461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (28896).

2¹⁴⁴⁴⁶⁵ is an apocalyptic number.

144465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144465 is a deficient number, since it is larger than the sum of its proper divisors (86703).

144465 is an equidigital number, since it uses as much as digits as its factorization.

144465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639.

The product of its digits is 1920, while the sum is 24.

The square root of 144465 is about 380.0855166933. The cubic root of 144465 is about 52.4711860027.

Subtracting from 144465 its sum of digits (24), we obtain a palindrome (144441).

The spelling of 144465 in words is "one hundred forty-four thousand, four hundred sixty-five".