43485312 has 128 divisors (see below), whose sum is σ = 128862720. Its totient is φ = 12902400.

The previous prime is 43485287. The next prime is 43485329. The reversal of 43485312 is 21358434.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 43485312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154612 + ... + 154892.

It is an arithmetic number, because the mean of its divisors is an integer number (1006740).

Almost surely, 2^43485312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43485312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64431360).

43485312 is an abundant number, since it is smaller than the sum of its proper divisors (85377408).

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

43485312 is a wasteful number, since it uses less digits than its factorization.

43485312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 330 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 43485312 is about 6594.3393907199. The cubic root of 43485312 is about 351.6528947485.

The spelling of 43485312 in words is "forty-three million, four hundred eighty-five thousand, three hundred twelve".