43500112 has 20 divisors (see below), whose sum is σ = 84404320. Its totient is φ = 21718368.

The previous prime is 43500109. The next prime is 43500113. The reversal of 43500112 is 21100534.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43500113) 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 3 ways as a sum of consecutive naturals, for example, 12589 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (4220216).

Almost surely, 2^43500112 is an apocalyptic number.

It is an amenable number.

43500112 is a deficient number, since it is larger than the sum of its proper divisors (40904208).

43500112 is a wasteful number, since it uses less digits than its factorization.

43500112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3964 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 43500112 is about 6595.4614698291. The cubic root of 43500112 is about 351.6927846353.

Adding to 43500112 its reverse (21100534), we get a palindrome (64600646).

The spelling of 43500112 in words is "forty-three million, five hundred thousand, one hundred twelve".