144963 has 32 divisors (see below), whose sum is σ = 268800. Its totient is φ = 75168.
The previous prime is 144961. The next prime is 144967. The reversal of 144963 is 369441.
It is not a de Polignac number, because 144963 - 21 = 144961 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144961) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2428 + ... + 2486.
It is an arithmetic number, because the mean of its divisors is an integer number (8400).
2144963 is an apocalyptic number.
144963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
144963 is a deficient number, since it is larger than the sum of its proper divisors (123837).
144963 is a wasteful number, since it uses less digits than its factorization.
144963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88 (or 82 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 144963 is about 380.7400688134. The cubic root of 144963 is about 52.5314097758.
The spelling of 144963 in words is "one hundred forty-four thousand, nine hundred sixty-three".
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