43045140 has 24 divisors (see below), whose sum is σ = 120526560. Its totient is φ = 11478688.

The previous prime is 43045133. The next prime is 43045141. The reversal of 43045140 is 4154034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43045141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358650 + ... + 358769.

It is an arithmetic number, because the mean of its divisors is an integer number (5021940).

Almost surely, 2^43045140 is an apocalyptic number.

It is an amenable number.

43045140 is an abundant number, since it is smaller than the sum of its proper divisors (77481420).

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

43045140 is a wasteful number, since it uses less digits than its factorization.

43045140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717431 (or 717429 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 43045140 is about 6560.8795142115. The cubic root of 43045140 is about 350.4623549400.

Adding to 43045140 its reverse (4154034), we get a palindrome (47199174).

The spelling of 43045140 in words is "forty-three million, forty-five thousand, one hundred forty".