43240133 has 8 divisors (see below), whose sum is σ = 44778240. Its totient is φ = 41711040.

The previous prime is 43240123. The next prime is 43240157. The reversal of 43240133 is 33104234.

43240133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43240133 - 2¹⁴ = 43223749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240123) 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 7 ways as a sum of consecutive naturals, for example, 8378 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (5597280).

Almost surely, 2^43240133 is an apocalyptic number.

It is an amenable number.

43240133 is a deficient number, since it is larger than the sum of its proper divisors (1538107).

43240133 is a wasteful number, since it uses less digits than its factorization.

43240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43240133 is about 6575.7230020736. The cubic root of 43240133 is about 350.9907519959.

Adding to 43240133 its reverse (33104234), we get a palindrome (76344367).

The spelling of 43240133 in words is "forty-three million, two hundred forty thousand, one hundred thirty-three".