43102090 has 32 divisors (see below), whose sum is σ = 80672256. Its totient is φ = 16562880.

The previous prime is 43102067. The next prime is 43102097. The reversal of 43102090 is 9020134.

43102090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43102097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50104 + ... + 50956.

It is an arithmetic number, because the mean of its divisors is an integer number (2521008).

Almost surely, 2^43102090 is an apocalyptic number.

43102090 is a deficient number, since it is larger than the sum of its proper divisors (37570166).

43102090 is a wasteful number, since it uses less digits than its factorization.

43102090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 43102090 is about 6565.2181989634. The cubic root of 43102090 is about 350.6168442005.

It can be divided in two parts, 4310 and 2090, that added together give a square (6400 = 80²).

The spelling of 43102090 in words is "forty-three million, one hundred two thousand, ninety".