144459 has 12 divisors (see below), whose sum is σ = 238576. Its totient is φ = 82512.
The previous prime is 144451. The next prime is 144461. The reversal of 144459 is 954441.
144459 = 952 + 962 + ... + 1082.
It is not a de Polignac number, because 144459 - 23 = 144451 is a prime.
It is a d-powerful number, because it can be written as 1 + 4 + 43 + 48 + 57 + 93 .
It is a Duffinian number.
It is a plaindrome in base 10 and base 16.
It is not an unprimeable number, because it can be changed into a prime (144451) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1084 + ... + 1209.
2144459 is an apocalyptic number.
144459 is a deficient number, since it is larger than the sum of its proper divisors (94117).
144459 is a wasteful number, since it uses less digits than its factorization.
144459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2306 (or 2303 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 144459 is about 380.0776236507. The cubic root of 144459 is about 52.4704595719.
It can be divided in two parts, 14 and 4459, that multiplied together give a palindrome (62426).
The spelling of 144459 in words is "one hundred forty-four thousand, four hundred fifty-nine".
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