143842213 has 2 divisors, whose sum is σ = 143842214. Its totient is φ = 143842212.

The previous prime is 143842211. The next prime is 143842229. The reversal of 143842213 is 312248341.

143842213 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 can be written as a sum of positive squares in only one way, i.e., 142491969 + 1350244 = 11937^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 143842213 - 2¹ = 143842211 is a prime.

Together with 143842211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143842211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71921106 + 71921107.

It is an arithmetic number, because the mean of its divisors is an integer number (71921107).

Almost surely, 2^143842213 is an apocalyptic number.

It is an amenable number.

143842213 is a deficient number, since it is larger than the sum of its proper divisors (1).

143842213 is an equidigital number, since it uses as much as digits as its factorization.

143842213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 143842213 is about 11993.4237397000. The cubic root of 143842213 is about 523.9567649292.

The spelling of 143842213 in words is "one hundred forty-three million, eight hundred forty-two thousand, two hundred thirteen".