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144817 is a prime number
BaseRepresentation
bin100011010110110001
321100122121
4203112301
514113232
63034241
71142131
oct432661
9240577
10144817
1199892
126b981
1350bba
143aac1
152cd97
hex235b1

144817 has 2 divisors, whose sum is σ = 144818. Its totient is φ = 144816.

The previous prime is 144791. The next prime is 144829. The reversal of 144817 is 718441.

144817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132496 + 12321 = 364^2 + 111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144791 and 144800.

It is not a weakly prime, because it can be changed into another prime (144847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72408 + 72409.

It is an arithmetic number, because the mean of its divisors is an integer number (72409).

2144817 is an apocalyptic number.

It is an amenable number.

144817 is a deficient number, since it is larger than the sum of its proper divisors (1).

144817 is an equidigital number, since it uses as much as digits as its factorization.

144817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 144817 is about 380.5482886573. The cubic root of 144817 is about 52.5137681199.

It can be divided in two parts, 144 and 817, that added together give a square (961 = 312).

The spelling of 144817 in words is "one hundred forty-four thousand, eight hundred seventeen".