144251 has 4 divisors (see below), whose sum is σ = 146472. Its totient is φ = 142032.

The previous prime is 144247. The next prime is 144253. The reversal of 144251 is 152441.

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

It is a cyclic number.

It is not a de Polignac number, because 144251 - 2² = 144247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144251.

It is not an unprimeable number, because it can be changed into a prime (144253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (36618).

2¹⁴⁴²⁵¹ is an apocalyptic number.

144251 is a deficient number, since it is larger than the sum of its proper divisors (2221).

144251 is an equidigital number, since it uses as much as digits as its factorization.

144251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220.

The product of its digits is 160, while the sum is 17.

The square root of 144251 is about 379.8038967678. The cubic root of 144251 is about 52.4452641926.

Adding to 144251 its reverse (152441), we get a palindrome (296692).

The spelling of 144251 in words is "one hundred forty-four thousand, two hundred fifty-one".