143135743 has 2 divisors, whose sum is σ = 143135744. Its totient is φ = 143135742.

The previous prime is 143135723. The next prime is 143135753. The reversal of 143135743 is 347531341.

143135743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143135743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143135723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71567871 + 71567872.

It is an arithmetic number, because the mean of its divisors is an integer number (71567872).

Almost surely, 2^143135743 is an apocalyptic number.

143135743 is a deficient number, since it is larger than the sum of its proper divisors (1).

143135743 is an equidigital number, since it uses as much as digits as its factorization.

143135743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 143135743 is about 11963.9350967815. The cubic root of 143135743 is about 523.0975656008.

The spelling of 143135743 in words is "one hundred forty-three million, one hundred thirty-five thousand, seven hundred forty-three".