43982545 has 16 divisors (see below), whose sum is σ = 54617472. Its totient is φ = 33978240.

The previous prime is 43982537. The next prime is 43982557. The reversal of 43982545 is 54528934.

It is not a de Polignac number, because 43982545 - 2³ = 43982537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43982498 and 43982507.

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, 20074 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (3413592).

Almost surely, 2^43982545 is an apocalyptic number.

It is an amenable number.

43982545 is a deficient number, since it is larger than the sum of its proper divisors (10634927).

43982545 is a wasteful number, since it uses less digits than its factorization.

43982545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its digits is 172800, while the sum is 40.

The square root of 43982545 is about 6631.9337300670. The cubic root of 43982545 is about 352.9881438503.

The spelling of 43982545 in words is "forty-three million, nine hundred eighty-two thousand, five hundred forty-five".