143031743 has 4 divisors (see below), whose sum is σ = 143072160. Its totient is φ = 142991328.

The previous prime is 143031731. The next prime is 143031769. The reversal of 143031743 is 347130341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143031743 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 (143031773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14330 + ... + 22167.

It is an arithmetic number, because the mean of its divisors is an integer number (35768040).

Almost surely, 2^143031743 is an apocalyptic number.

143031743 is a deficient number, since it is larger than the sum of its proper divisors (40417).

143031743 is an equidigital number, since it uses as much as digits as its factorization.

143031743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40416.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 143031743 is about 11959.5879109608. The cubic root of 143031743 is about 522.9708436354.

The spelling of 143031743 in words is "one hundred forty-three million, thirty-one thousand, seven hundred forty-three".