43158105 has 24 divisors (see below), whose sum is σ = 75104640. Its totient is φ = 22926240.

The previous prime is 43158103. The next prime is 43158109. The reversal of 43158105 is 50185134.

It is not a de Polignac number, because 43158105 - 2¹ = 43158103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43158103) 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 23 ways as a sum of consecutive naturals, for example, 10426 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (3129360).

Almost surely, 2^43158105 is an apocalyptic number.

43158105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43158105 is a deficient number, since it is larger than the sum of its proper divisors (31946535).

43158105 is a wasteful number, since it uses less digits than its factorization.

43158105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 43158105 is about 6569.4828563594. The cubic root of 43158105 is about 350.7686643773.

The spelling of 43158105 in words is "forty-three million, one hundred fifty-eight thousand, one hundred five".