144135 has 12 divisors (see below), whose sum is σ = 249912. Its totient is φ = 76848.

The previous prime is 144103. The next prime is 144139. The reversal of 144135 is 531441.

It is a happy number.

It is not a de Polignac number, because 144135 - 2⁵ = 144103 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1557 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (20826).

2¹⁴⁴¹³⁵ is an apocalyptic number.

144135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144135 is a deficient number, since it is larger than the sum of its proper divisors (105777).

144135 is a wasteful number, since it uses less digits than its factorization.

144135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3211 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 144135 is about 379.6511556679. The cubic root of 144135 is about 52.4312024019.

Adding to 144135 its reverse (531441), we get a palindrome (675576).

The spelling of 144135 in words is "one hundred forty-four thousand, one hundred thirty-five".