32142220143443 has 4 divisors (see below), whose sum is σ = 32142232396920. Its totient is φ = 32142207889968.

The previous prime is 32142220143403. The next prime is 32142220143533. The reversal of 32142220143443 is 34434102224123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 32142220143443 - 2⁴⁰ = 31042708515667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32142220143403) 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, 420605 + ... + 8028782.

It is an arithmetic number, because the mean of its divisors is an integer number (8035558099230).

Almost surely, 2^{32142220143443} is an apocalyptic number.

32142220143443 is a deficient number, since it is larger than the sum of its proper divisors (12253477).

32142220143443 is an equidigital number, since it uses as much as digits as its factorization.

32142220143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253476.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 32142220143443 its reverse (34434102224123), we get a palindrome (66576322367566).

The spelling of 32142220143443 in words is "thirty-two trillion, one hundred forty-two billion, two hundred twenty million, one hundred forty-three thousand, four hundred forty-three".