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144013 is a prime number
BaseRepresentation
bin100011001010001101
321022112211
4203022031
514102023
63030421
71136602
oct431215
9238484
10144013
1199221
126b411
135071c
143a6a9
152ca0d
hex2328d

144013 has 2 divisors, whose sum is σ = 144014. Its totient is φ = 144012.

The previous prime is 143999. The next prime is 144031. The reversal of 144013 is 310441.

Together with next prime (144031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 33124 = 333^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 144013 - 25 = 143981 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 143984 and 144002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72006 + 72007.

It is an arithmetic number, because the mean of its divisors is an integer number (72007).

2144013 is an apocalyptic number.

It is an amenable number.

144013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144013 is an equidigital number, since it uses as much as digits as its factorization.

144013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 144013 is about 379.4904478376. The cubic root of 144013 is about 52.4164051348.

Adding to 144013 its reverse (310441), we get a palindrome (454454).

The spelling of 144013 in words is "one hundred forty-four thousand, thirteen".