45015685 has 48 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 29003520.

The previous prime is 45015683. The next prime is 45015721. The reversal of 45015685 is 58651054.

It is a happy number.

45015685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45015685 - 2¹ = 45015683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45015685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269472 + ... + 269638.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^45015685 is an apocalyptic number.

It is an amenable number.

45015685 is a deficient number, since it is larger than the sum of its proper divisors (21391355).

45015685 is a wasteful number, since it uses less digits than its factorization.

45015685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 45015685 is about 6709.3729215181. The cubic root of 45015685 is about 355.7306514792.

It can be divided in two parts, 450156 and 85, that added together give a square (450241 = 671²).

The spelling of 45015685 in words is "forty-five million, fifteen thousand, six hundred eighty-five".