144437 has 4 divisors (see below), whose sum is σ = 147840. Its totient is φ = 141036.

The previous prime is 144427. The next prime is 144439. The reversal of 144437 is 734441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734441 = 127 ⋅5783.

It is a cyclic number.

It is not a de Polignac number, because 144437 - 2¹⁰ = 143413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2¹⁴⁴⁴³⁷ is an apocalyptic number.

It is an amenable number.

144437 is a deficient number, since it is larger than the sum of its proper divisors (3403).

144437 is an equidigital number, since it uses as much as digits as its factorization.

144437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402.

The product of its digits is 1344, while the sum is 23.

The square root of 144437 is about 380.0486810923. The cubic root of 144437 is about 52.4677958203.

Adding to 144437 its reverse (734441), we get a palindrome (878878).

It can be divided in two parts, 14443 and 7, that multiplied together give a palindrome (101101).

The spelling of 144437 in words is "one hundred forty-four thousand, four hundred thirty-seven".