143285743 has 4 divisors (see below), whose sum is σ = 143373568. Its totient is φ = 143197920.

The previous prime is 143285713. The next prime is 143285749. The reversal of 143285743 is 347582341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347582341 = 163 ⋅2132407.

It is a cyclic number.

It is not a de Polignac number, because 143285743 - 2¹³ = 143277551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143285749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41418 + ... + 44743.

It is an arithmetic number, because the mean of its divisors is an integer number (35843392).

Almost surely, 2^143285743 is an apocalyptic number.

143285743 is a deficient number, since it is larger than the sum of its proper divisors (87825).

143285743 is an equidigital number, since it uses as much as digits as its factorization.

143285743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87824.

The product of its digits is 80640, while the sum is 37.

The square root of 143285743 is about 11970.2022957008. The cubic root of 143285743 is about 523.2802295998.

The spelling of 143285743 in words is "one hundred forty-three million, two hundred eighty-five thousand, seven hundred forty-three".