144930 has 16 divisors (see below), whose sum is σ = 347904. Its totient is φ = 38640.
The previous prime is 144917. The next prime is 144931. The reversal of 144930 is 39441.
It is a nialpdrome in base 11.
It is a junction number, because it is equal to n+sod(n) for n = 144897 and 144906.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144930.
It is not an unprimeable number, because it can be changed into a prime (144931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 2445.
It is an arithmetic number, because the mean of its divisors is an integer number (21744).
2144930 is an apocalyptic number.
144930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144930 is an abundant number, since it is smaller than the sum of its proper divisors (202974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144930 is a wasteful number, since it uses less digits than its factorization.
144930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4841.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 144930 is about 380.6967296944. The cubic root of 144930 is about 52.5274233147.
The spelling of 144930 in words is "one hundred forty-four thousand, nine hundred thirty".
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