43472445 has 16 divisors (see below), whose sum is σ = 69638400. Its totient is φ = 23157824.

The previous prime is 43472431. The next prime is 43472467. The reversal of 43472445 is 54427434.

It is a cyclic number.

It is not a de Polignac number, because 43472445 - 2⁵ = 43472413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21331 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (4352400).

Almost surely, 2^43472445 is an apocalyptic number.

It is an amenable number.

43472445 is a deficient number, since it is larger than the sum of its proper divisors (26165955).

43472445 is a wasteful number, since it uses less digits than its factorization.

43472445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444.

The product of its digits is 53760, while the sum is 33.

The square root of 43472445 is about 6593.3637090638. The cubic root of 43472445 is about 351.6182074489.

Adding to 43472445 its reverse (54427434), we get a palindrome (97899879).

The spelling of 43472445 in words is "forty-three million, four hundred seventy-two thousand, four hundred forty-five".