143543161 has 8 divisors (see below), whose sum is σ = 150416640. Its totient is φ = 136722432.

The previous prime is 143543149. The next prime is 143543177. The reversal of 143543161 is 161345341.

143543161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143543161 - 2⁹ = 143542649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143543131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (18802080).

Almost surely, 2^143543161 is an apocalyptic number.

It is an amenable number.

143543161 is a deficient number, since it is larger than the sum of its proper divisors (6873479).

143543161 is a wasteful number, since it uses less digits than its factorization.

143543161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375.

The product of its digits is 4320, while the sum is 28.

The square root of 143543161 is about 11980.9499206031. The cubic root of 143543161 is about 523.5934060592.

The spelling of 143543161 in words is "one hundred forty-three million, five hundred forty-three thousand, one hundred sixty-one".