144549 has 6 divisors (see below), whose sum is σ = 208806. Its totient is φ = 96360.

The previous prime is 144541. The next prime is 144563. The reversal of 144549 is 945441.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 65025 = 282^2 + 255^2 .

It is not a de Polignac number, because 144549 - 2³ = 144541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8022 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (34801).

2¹⁴⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

144549 is a deficient number, since it is larger than the sum of its proper divisors (64257).

144549 is a wasteful number, since it uses less digits than its factorization.

144549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16067 (or 16064 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 144549 is about 380.1960020831. The cubic root of 144549 is about 52.4813539226.

The spelling of 144549 in words is "one hundred forty-four thousand, five hundred forty-nine".