43130042 has 8 divisors (see below), whose sum is σ = 64840500. Its totient is φ = 21516544.

The previous prime is 43130041. The next prime is 43130051. The reversal of 43130042 is 24003134.

It can be written as a sum of positive squares in 2 ways, for example, as 43020481 + 109561 = 6559^2 + 331^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 43130042.

It is not an unprimeable number, because it can be changed into a prime (43130041) 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, 23117 + ... + 24912.

Almost surely, 2^43130042 is an apocalyptic number.

43130042 is a deficient number, since it is larger than the sum of its proper divisors (21710458).

43130042 is a wasteful number, since it uses less digits than its factorization.

43130042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48480.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43130042 is about 6567.3466483809. The cubic root of 43130042 is about 350.6926202958.

Adding to 43130042 its reverse (24003134), we get a palindrome (67133176).

The spelling of 43130042 in words is "forty-three million, one hundred thirty thousand, forty-two".