143242471 has 2 divisors, whose sum is σ = 143242472. Its totient is φ = 143242470.

The previous prime is 143242469. The next prime is 143242483. The reversal of 143242471 is 174242341.

143242471 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 143242471 - 2¹ = 143242469 is a prime.

It is a super-3 number, since 3×143242471³ (a number of 25 digits) contains 333 as substring.

Together with 143242469, 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 (143282471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71621235 + 71621236.

It is an arithmetic number, because the mean of its divisors is an integer number (71621236).

Almost surely, 2^143242471 is an apocalyptic number.

143242471 is a deficient number, since it is larger than the sum of its proper divisors (1).

143242471 is an equidigital number, since it uses as much as digits as its factorization.

143242471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 143242471 is about 11968.3946709657. The cubic root of 143242471 is about 523.2275477781.

The spelling of 143242471 in words is "one hundred forty-three million, two hundred forty-two thousand, four hundred seventy-one".