32144240143 has 4 divisors (see below), whose sum is σ = 32475624160. Its totient is φ = 31812856128.

The previous prime is 32144240129. The next prime is 32144240153. The reversal of 32144240143 is 34104244123.

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-32144240143 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 (32144240153) 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, 165691863 + ... + 165692056.

It is an arithmetic number, because the mean of its divisors is an integer number (8118906040).

Almost surely, 2^32144240143 is an apocalyptic number.

32144240143 is a deficient number, since it is larger than the sum of its proper divisors (331384017).

32144240143 is an equidigital number, since it uses as much as digits as its factorization.

32144240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331384016.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 32144240143 its reverse (34104244123), we get a palindrome (66248484266).

The spelling of 32144240143 in words is "thirty-two billion, one hundred forty-four million, two hundred forty thousand, one hundred forty-three".