144534 has 32 divisors (see below), whose sum is σ = 332640. Its totient is φ = 41472.

The previous prime is 144511. The next prime is 144539. The reversal of 144534 is 435441.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 144534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144539) by changing a digit.

144534 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 15 ways as a sum of consecutive naturals, for example, 1272 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (10395).

2¹⁴⁴⁵³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320).

144534 is an abundant number, since it is smaller than the sum of its proper divisors (188106).

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

144534 is a wasteful number, since it uses less digits than its factorization.

144534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 960, while the sum is 21.

The square root of 144534 is about 380.1762749042. The cubic root of 144534 is about 52.4795385116.

Adding to 144534 its reverse (435441), we get a palindrome (579975).

The spelling of 144534 in words is "one hundred forty-four thousand, five hundred thirty-four".