Search a number
-
+
144847 is a prime number
BaseRepresentation
bin100011010111001111
321100200201
4203113033
514113342
63034331
71142203
oct432717
9240621
10144847
119990a
126b9a7
1350c11
143ab03
152cdb7
hex235cf

144847 has 2 divisors, whose sum is σ = 144848. Its totient is φ = 144846.

The previous prime is 144839. The next prime is 144883. The reversal of 144847 is 748441.

It is a weak prime.

It is an emirp because it is prime and its reverse (748441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144847 - 23 = 144839 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144817) 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 as a sum of consecutive naturals, namely, 72423 + 72424.

It is an arithmetic number, because the mean of its divisors is an integer number (72424).

2144847 is an apocalyptic number.

144847 is a deficient number, since it is larger than the sum of its proper divisors (1).

144847 is an equidigital number, since it uses as much as digits as its factorization.

144847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 144847 is about 380.5877034272. The cubic root of 144847 is about 52.5173940853.

The spelling of 144847 in words is "one hundred forty-four thousand, eight hundred forty-seven".