144557 has 8 divisors (see below), whose sum is σ = 167616. Its totient is φ = 122112.

The previous prime is 144541. The next prime is 144563. The reversal of 144557 is 755441.

144557 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 144557 - 2⁴ = 144541 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144577) 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, 653 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (20952).

2¹⁴⁴⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

144557 is a deficient number, since it is larger than the sum of its proper divisors (23059).

144557 is a wasteful number, since it uses less digits than its factorization.

144557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its digits is 2800, while the sum is 26.

The square root of 144557 is about 380.2065228267. The cubic root of 144557 is about 52.4823220905.

Adding to 144557 its reverse (755441), we get a palindrome (899998).

It can be divided in two parts, 144 and 557, that multiplied together give a palindrome (80208).

The spelling of 144557 in words is "one hundred forty-four thousand, five hundred fifty-seven".