45855439 has 8 divisors (see below), whose sum is σ = 52576160. Its totient is φ = 39177216.

The previous prime is 45855437. The next prime is 45855463. The reversal of 45855439 is 93455854.

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 45855439 - 2¹ = 45855437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45855395 and 45855404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45855437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8274 + ... + 12655.

It is an arithmetic number, because the mean of its divisors is an integer number (6572020).

Almost surely, 2^45855439 is an apocalyptic number.

45855439 is a deficient number, since it is larger than the sum of its proper divisors (6720721).

45855439 is a wasteful number, since it uses less digits than its factorization.

45855439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21249.

The product of its digits is 432000, while the sum is 43.

The square root of 45855439 is about 6771.6644187378. The cubic root of 45855439 is about 357.9290533859.

The spelling of 45855439 in words is "forty-five million, eight hundred fifty-five thousand, four hundred thirty-nine".