144913 has 8 divisors (see below), whose sum is σ = 158400. Its totient is φ = 132048.
The previous prime is 144899. The next prime is 144917. The reversal of 144913 is 319441.
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 144913 - 217 = 13841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144917) 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, 420 + ... + 682.
It is an arithmetic number, because the mean of its divisors is an integer number (19800).
2144913 is an apocalyptic number.
It is an amenable number.
144913 is a deficient number, since it is larger than the sum of its proper divisors (13487).
144913 is a wasteful number, since it uses less digits than its factorization.
144913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311.
The product of its digits is 432, while the sum is 22.
The square root of 144913 is about 380.6744015560. The cubic root of 144913 is about 52.5253694470.
The spelling of 144913 in words is "one hundred forty-four thousand, nine hundred thirteen".
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