143641543 has 16 divisors (see below), whose sum is σ = 150264576. Its totient is φ = 137208960.

The previous prime is 143641529. The next prime is 143641549. The reversal of 143641543 is 345146341.

It is a happy number.

It is not a de Polignac number, because 143641543 - 2²⁵ = 110087111 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 (143641549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595903 + ... + 596143.

It is an arithmetic number, because the mean of its divisors is an integer number (9391536).

Almost surely, 2^143641543 is an apocalyptic number.

143641543 is a deficient number, since it is larger than the sum of its proper divisors (6623033).

143641543 is a wasteful number, since it uses less digits than its factorization.

143641543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 17280, while the sum is 31.

The square root of 143641543 is about 11985.0549852723. The cubic root of 143641543 is about 523.7129993627.

Adding to 143641543 its reverse (345146341), we get a palindrome (488787884).

The spelling of 143641543 in words is "one hundred forty-three million, six hundred forty-one thousand, five hundred forty-three".