144965 has 8 divisors (see below), whose sum is σ = 176640. Its totient is φ = 114192.

The previous prime is 144961. The next prime is 144967. The reversal of 144965 is 569441.

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 144965 - 2² = 144961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144961) 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, 212 + ... + 578.

It is an arithmetic number, because the mean of its divisors is an integer number (22080).

2¹⁴⁴⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

144965 is a deficient number, since it is larger than the sum of its proper divisors (31675).

144965 is an equidigital number, since it uses as much as digits as its factorization.

144965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 4320, while the sum is 29.

The square root of 144965 is about 380.7426952681. The cubic root of 144965 is about 52.5316513601.

The spelling of 144965 in words is "one hundred forty-four thousand, nine hundred sixty-five".