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143808943 is a prime number
BaseRepresentation
bin10001001001001…
…01100110101111
3101000121020210011
420210211212233
5243303341233
622134154051
73364233025
oct1044454657
9330536704
10143808943
11741a3873
12401b2927
1323a41c65
1415156715
15c95a0cd
hex89259af

143808943 has 2 divisors, whose sum is σ = 143808944. Its totient is φ = 143808942.

The previous prime is 143808911. The next prime is 143808961. The reversal of 143808943 is 349808341.

143808943 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 is an emirp because it is prime and its reverse (349808341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143808943 - 25 = 143808911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143808896 and 143808905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143802943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71904471 + 71904472.

It is an arithmetic number, because the mean of its divisors is an integer number (71904472).

Almost surely, 2143808943 is an apocalyptic number.

143808943 is a deficient number, since it is larger than the sum of its proper divisors (1).

143808943 is an equidigital number, since it uses as much as digits as its factorization.

143808943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 143808943 is about 11992.0366493770. The cubic root of 143808943 is about 523.9163656024.

The spelling of 143808943 in words is "one hundred forty-three million, eight hundred eight thousand, nine hundred forty-three".