43457130 has 48 divisors (see below), whose sum is σ = 115754184. Its totient is φ = 11304960.

The previous prime is 43457077. The next prime is 43457149. The reversal of 43457130 is 3175434.

43457130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27846729 + 15610401 = 5277^2 + 3951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43457094 and 43457103.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2199 + ... + 9578.

Almost surely, 2^43457130 is an apocalyptic number.

43457130 is an abundant number, since it is smaller than the sum of its proper divisors (72297054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43457130 is a wasteful number, since it uses less digits than its factorization.

43457130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831 (or 11828 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 43457130 is about 6592.2022117044. The cubic root of 43457130 is about 351.5769118240.

The spelling of 43457130 in words is "forty-three million, four hundred fifty-seven thousand, one hundred thirty".