43452812 has 24 divisors (see below), whose sum is σ = 83020896. Its totient is φ = 19778688.

The previous prime is 43452811. The next prime is 43452847. The reversal of 43452812 is 21825434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43452811) 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 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (3459204).

Almost surely, 2^43452812 is an apocalyptic number.

It is an amenable number.

43452812 is a deficient number, since it is larger than the sum of its proper divisors (39568084).

43452812 is a wasteful number, since it uses less digits than its factorization.

43452812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537 (or 11535 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 43452812 is about 6591.8746954110. The cubic root of 43452812 is about 351.5652669425.

The spelling of 43452812 in words is "forty-three million, four hundred fifty-two thousand, eight hundred twelve".