144036 has 18 divisors (see below), whose sum is σ = 364182. Its totient is φ = 48000.

The previous prime is 144031. The next prime is 144037. The reversal of 144036 is 630441.

It can be written as a sum of positive squares in only one way, i.e., 86436 + 57600 = 294^2 + 240^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (144031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1965 + ... + 2036.

2¹⁴⁴⁰³⁶ is an apocalyptic number.

It is an amenable number.

144036 is an abundant number, since it is smaller than the sum of its proper divisors (220146).

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

144036 is a wasteful number, since it uses less digits than its factorization.

144036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 144036 is about 379.5207504208. The cubic root of 144036 is about 52.4191954226.

Adding to 144036 its reverse (630441), we get a palindrome (774477).

The spelling of 144036 in words is "one hundred forty-four thousand, thirty-six".