144822 has 8 divisors (see below), whose sum is σ = 289656. Its totient is φ = 48272.

The previous prime is 144817. The next prime is 144829. The reversal of 144822 is 228441.

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

144822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144829) by changing a digit.

144822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12063 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (36207).

2¹⁴⁴⁸²² is an apocalyptic number.

144822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144822 is a wasteful number, since it uses less digits than its factorization.

144822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24142.

The product of its digits is 512, while the sum is 21.

The square root of 144822 is about 380.5548580691. The cubic root of 144822 is about 52.5143724822.

The spelling of 144822 in words is "one hundred forty-four thousand, eight hundred twenty-two".