43713145 has 24 divisors (see below), whose sum is σ = 61953984. Its totient is φ = 29516256.

The previous prime is 43713143. The next prime is 43713191. The reversal of 43713145 is 54131734.

It is not a de Polignac number, because 43713145 - 2¹ = 43713143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43713143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15084 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (2581416).

Almost surely, 2^43713145 is an apocalyptic number.

It is an amenable number.

43713145 is a deficient number, since it is larger than the sum of its proper divisors (18240839).

43713145 is a wasteful number, since it uses less digits than its factorization.

43713145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2742 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 43713145 is about 6611.5917145571. The cubic root of 43713145 is about 352.2659647325.

Adding to 43713145 its reverse (54131734), we get a palindrome (97844879).

The spelling of 43713145 in words is "forty-three million, seven hundred thirteen thousand, one hundred forty-five".