43113445 has 8 divisors (see below), whose sum is σ = 54779544. Its totient is φ = 32461824.

The previous prime is 43113443. The next prime is 43113457. The reversal of 43113445 is 54431134.

It can be written as a sum of positive squares in 4 ways, for example, as 15729156 + 27384289 = 3966^2 + 5233^2 .

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 43113445 - 2¹ = 43113443 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 (43113443) 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, 253524 + ... + 253693.

It is an arithmetic number, because the mean of its divisors is an integer number (6847443).

Almost surely, 2^43113445 is an apocalyptic number.

It is an amenable number.

43113445 is a deficient number, since it is larger than the sum of its proper divisors (11666099).

43113445 is a wasteful number, since it uses less digits than its factorization.

43113445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507239.

The product of its digits is 2880, while the sum is 25.

The square root of 43113445 is about 6566.0829266771. The cubic root of 43113445 is about 350.6476308337.

Adding to 43113445 its reverse (54431134), we get a palindrome (97544579).

The spelling of 43113445 in words is "forty-three million, one hundred thirteen thousand, four hundred forty-five".