144893 has 6 divisors (see below), whose sum is σ = 168606. Its totient is φ = 124152.
The previous prime is 144889. The next prime is 144899. The reversal of 144893 is 398441.
It can be written as a sum of positive squares in only one way, i.e., 103684 + 41209 = 322^2 + 203^2 .
It is not a de Polignac number, because 144893 - 22 = 144889 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 11.
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 144893.
It is not an unprimeable number, because it can be changed into a prime (144899) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430 + ... + 1527.
It is an arithmetic number, because the mean of its divisors is an integer number (28101).
2144893 is an apocalyptic number.
It is an amenable number.
144893 is a deficient number, since it is larger than the sum of its proper divisors (23713).
144893 is an equidigital number, since it uses as much as digits as its factorization.
144893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2971 (or 2964 counting only the distinct ones).
The product of its digits is 3456, while the sum is 29.
The square root of 144893 is about 380.6481314810. The cubic root of 144893 is about 52.5229529265.
The spelling of 144893 in words is "one hundred forty-four thousand, eight hundred ninety-three".
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