144564 has 24 divisors (see below), whose sum is σ = 385728. Its totient is φ = 41280.

The previous prime is 144563. The next prime is 144569. The reversal of 144564 is 465441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144563) 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, 777 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (16072).

2¹⁴⁴⁵⁶⁴ is an apocalyptic number.

144564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144564 is an abundant number, since it is smaller than the sum of its proper divisors (241164).

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

144564 is a wasteful number, since it uses less digits than its factorization.

144564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1733 counting only the distinct ones).

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

The square root of 144564 is about 380.2157282386. The cubic root of 144564 is about 52.4831692080.

The spelling of 144564 in words is "one hundred forty-four thousand, five hundred sixty-four".