43042133141 has 4 divisors (see below), whose sum is σ = 49191009312. Its totient is φ = 36893256972.

The previous prime is 43042133083. The next prime is 43042133143. The reversal of 43042133141 is 14133124034.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43042133141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43042133141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042133143) 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, 3074438075 + ... + 3074438088.

It is an arithmetic number, because the mean of its divisors is an integer number (12297752328).

Almost surely, 2^43042133141 is an apocalyptic number.

It is an amenable number.

43042133141 is a deficient number, since it is larger than the sum of its proper divisors (6148876171).

43042133141 is an equidigital number, since it uses as much as digits as its factorization.

43042133141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148876170.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43042133141 its reverse (14133124034), we get a palindrome (57175257175).

The spelling of 43042133141 in words is "forty-three billion, forty-two million, one hundred thirty-three thousand, one hundred forty-one".