43520132 has 6 divisors (see below), whose sum is σ = 76160238. Its totient is φ = 21760064.

The previous prime is 43520131. The next prime is 43520159. The reversal of 43520132 is 23102534.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 17774656 = 5074^2 + 4216^2 .

It is not an unprimeable number, because it can be changed into a prime (43520131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440013 + ... + 5440020.

It is an arithmetic number, because the mean of its divisors is an integer number (12693373).

Almost surely, 2^43520132 is an apocalyptic number.

It is an amenable number.

43520132 is a deficient number, since it is larger than the sum of its proper divisors (32640106).

43520132 is a wasteful number, since it uses less digits than its factorization.

43520132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880037 (or 10880035 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43520132 is about 6596.9790055752. The cubic root of 43520132 is about 351.7467293982.

Adding to 43520132 its reverse (23102534), we get a palindrome (66622666).

The spelling of 43520132 in words is "forty-three million, five hundred twenty thousand, one hundred thirty-two".