144551 has 8 divisors (see below), whose sum is σ = 167184. Its totient is φ = 123520.

The previous prime is 144541. The next prime is 144563. The reversal of 144551 is 155441.

144551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144551 - 2¹⁰ = 143527 is a prime.

It is a Duffinian number.

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 144551.

It is not an unprimeable number, because it can be changed into a prime (144511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 573.

It is an arithmetic number, because the mean of its divisors is an integer number (20898).

2¹⁴⁴⁵⁵¹ is an apocalyptic number.

144551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144551 is a deficient number, since it is larger than the sum of its proper divisors (22633).

144551 is a wasteful number, since it uses less digits than its factorization.

144551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 400, while the sum is 20.

The square root of 144551 is about 380.1986322963. The cubic root of 144551 is about 52.4815959679.

Adding to 144551 its reverse (155441), we get a palindrome (299992).

The spelling of 144551 in words is "one hundred forty-four thousand, five hundred fifty-one".