43115542 has 8 divisors (see below), whose sum is σ = 64823976. Its totient is φ = 21507552.

The previous prime is 43115537. The next prime is 43115549. The reversal of 43115542 is 24551134.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43115549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24028 + ... + 25759.

It is an arithmetic number, because the mean of its divisors is an integer number (8102997).

Almost surely, 2^43115542 is an apocalyptic number.

43115542 is a deficient number, since it is larger than the sum of its proper divisors (21708434).

43115542 is a wasteful number, since it uses less digits than its factorization.

43115542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50222.

The product of its digits is 2400, while the sum is 25.

The square root of 43115542 is about 6566.2426089812. The cubic root of 43115542 is about 350.6533158055.

Adding to 43115542 its reverse (24551134), we get a palindrome (67666676).

The spelling of 43115542 in words is "forty-three million, one hundred fifteen thousand, five hundred forty-two".