143711 has 2 divisors, whose sum is σ = 143712. Its totient is φ = 143710.

The previous prime is 143699. The next prime is 143719. The reversal of 143711 is 117341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143711 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71855 + 71856.

It is an arithmetic number, because the mean of its divisors is an integer number (71856).

2¹⁴³⁷¹¹ is an apocalyptic number.

143711 is a deficient number, since it is larger than the sum of its proper divisors (1).

143711 is an equidigital number, since it uses as much as digits as its factorization.

143711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 17.

The square root of 143711 is about 379.0923370368. The cubic root of 143711 is about 52.3797398512.

The spelling of 143711 in words is "one hundred forty-three thousand, seven hundred eleven", and thus it is an iban number.