43480145 has 4 divisors (see below), whose sum is σ = 52176180. Its totient is φ = 34784112.

The previous prime is 43480139. The next prime is 43480147. The reversal of 43480145 is 54108434.

43480145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 13712209 = 5456^2 + 3703^2 .

It is a cyclic number.

It is not a de Polignac number, because 43480145 - 2⁶ = 43480081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43480147) 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 3 ways as a sum of consecutive naturals, for example, 4348010 + ... + 4348019.

It is an arithmetic number, because the mean of its divisors is an integer number (13044045).

Almost surely, 2^43480145 is an apocalyptic number.

It is an amenable number.

43480145 is a deficient number, since it is larger than the sum of its proper divisors (8696035).

43480145 is an equidigital number, since it uses as much as digits as its factorization.

43480145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696034.

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

The square root of 43480145 is about 6593.9476036741. The cubic root of 43480145 is about 351.6389661951.

Adding to 43480145 its reverse (54108434), we get a palindrome (97588579).

The spelling of 43480145 in words is "forty-three million, four hundred eighty thousand, one hundred forty-five".