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143988343 is a prime number
BaseRepresentation
bin10001001010100…
…01011001110111
3101000221100212121
420211101121313
5243330111333
622142100411
73365611042
oct1045213167
9330840777
10143988343
1174306634
124027a707
1323aa5805
14151a1c59
15c99332d
hex8951677

143988343 has 2 divisors, whose sum is σ = 143988344. Its totient is φ = 143988342.

The previous prime is 143988337. The next prime is 143988353. The reversal of 143988343 is 343889341.

143988343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143988343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143988343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143988353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71994171 + 71994172.

It is an arithmetic number, because the mean of its divisors is an integer number (71994172).

Almost surely, 2143988343 is an apocalyptic number.

143988343 is a deficient number, since it is larger than the sum of its proper divisors (1).

143988343 is an equidigital number, since it uses as much as digits as its factorization.

143988343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 143988343 is about 11999.5142818366. The cubic root of 143988343 is about 524.1341349497.

The spelling of 143988343 in words is "one hundred forty-three million, nine hundred eighty-eight thousand, three hundred forty-three".