143779243 has 2 divisors, whose sum is σ = 143779244. Its totient is φ = 143779242.

The previous prime is 143779241. The next prime is 143779247. The reversal of 143779243 is 342977341.

143779243 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 not a de Polignac number, because 143779243 - 2¹ = 143779241 is a prime.

Together with 143779241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 143779196 and 143779205.

It is not a weakly prime, because it can be changed into another prime (143779241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71889621 + 71889622.

It is an arithmetic number, because the mean of its divisors is an integer number (71889622).

Almost surely, 2^143779243 is an apocalyptic number.

143779243 is a deficient number, since it is larger than the sum of its proper divisors (1).

143779243 is an equidigital number, since it uses as much as digits as its factorization.

143779243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 143779243 is about 11990.7982636687. The cubic root of 143779243 is about 523.8802960157.

The spelling of 143779243 in words is "one hundred forty-three million, seven hundred seventy-nine thousand, two hundred forty-three".