144038 has 4 divisors (see below), whose sum is σ = 216060. Its totient is φ = 72018.

The previous prime is 144037. The next prime is 144061. The reversal of 144038 is 830441.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36008 + ... + 36011.

It is an arithmetic number, because the mean of its divisors is an integer number (54015).

2¹⁴⁴⁰³⁸ is an apocalyptic number.

144038 is a deficient number, since it is larger than the sum of its proper divisors (72022).

144038 is an equidigital number, since it uses as much as digits as its factorization.

144038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72021.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144038 is about 379.5233853137. The cubic root of 144038 is about 52.4194380422.

Adding to 144038 its reverse (830441), we get a palindrome (974479).

The spelling of 144038 in words is "one hundred forty-four thousand, thirty-eight".