45855603 has 12 divisors (see below), whose sum is σ = 68372928. Its totient is φ = 29584080.

The previous prime is 45855581. The next prime is 45855611. The reversal of 45855603 is 30655854.

45855603 is a `hidden beast` number, since 45 + 8 + 5 + 5 + 603 = 666.

It is not a de Polignac number, because 45855603 - 2⁵ = 45855571 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45855643) 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 11 ways as a sum of consecutive naturals, for example, 81900 + ... + 82457.

It is an arithmetic number, because the mean of its divisors is an integer number (5697744).

Almost surely, 2^45855603 is an apocalyptic number.

45855603 is a deficient number, since it is larger than the sum of its proper divisors (22517325).

45855603 is a wasteful number, since it uses less digits than its factorization.

45855603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164394 (or 164391 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 45855603 is about 6771.6765280099. The cubic root of 45855603 is about 357.9294800914.

The spelling of 45855603 in words is "forty-five million, eight hundred fifty-five thousand, six hundred three".