144703 has 4 divisors (see below), whose sum is σ = 155848. Its totient is φ = 133560.
The previous prime is 144701. The next prime is 144709. The reversal of 144703 is 307441.
It is a happy number.
144703 is nontrivially palindromic in base 11.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307441 = 23 ⋅13367.
It is a cyclic number.
It is not a de Polignac number, because 144703 - 21 = 144701 is a prime.
It is a Duffinian number.
144703 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553 + ... + 5578.
It is an arithmetic number, because the mean of its divisors is an integer number (38962).
2144703 is an apocalyptic number.
144703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
144703 is a deficient number, since it is larger than the sum of its proper divisors (11145).
144703 is a wasteful number, since it uses less digits than its factorization.
144703 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11144.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 144703 is about 380.3984752861. The cubic root of 144703 is about 52.4999848828.
The spelling of 144703 in words is "one hundred forty-four thousand, seven hundred three", and thus it is an iban number.
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