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144443 = 1341271
BaseRepresentation
bin100011010000111011
321100010202
4203100323
514110233
63032415
71141055
oct432073
9240122
10144443
1199582
126b70b
1350990
143a8d5
152cbe8
hex2343b

144443 has 8 divisors (see below), whose sum is σ = 159936. Its totient is φ = 129600.

The previous prime is 144439. The next prime is 144451. The reversal of 144443 is 344441.

144443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144443 - 22 = 144439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 668.

It is an arithmetic number, because the mean of its divisors is an integer number (19992).

2144443 is an apocalyptic number.

144443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144443 is a deficient number, since it is larger than the sum of its proper divisors (15493).

144443 is a wasteful number, since it uses less digits than its factorization.

144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 768, while the sum is 20.

The square root of 144443 is about 380.0565747359. The cubic root of 144443 is about 52.4685223248.

Adding to 144443 its reverse (344441), we get a palindrome (488884).

It can be divided in two parts, 1 and 44443, that added together give a palindrome (44444).

The spelling of 144443 in words is "one hundred forty-four thousand, four hundred forty-three", and thus it is an iban number.

Divisors: 1 13 41 271 533 3523 11111 144443