45728316 has 18 divisors (see below), whose sum is σ = 115591112. Its totient is φ = 15242760.

The previous prime is 45728311. The next prime is 45728327. The reversal of 45728316 is 61382754.

45728316 is a `hidden beast` number, since 4 + 572 + 83 + 1 + 6 = 666.

45728316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1270231 = 45728316 / (4 + 5 + 7 + 2 + 8 + 3 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45728311) 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 5 ways as a sum of consecutive naturals, for example, 635080 + ... + 635151.

Almost surely, 2^45728316 is an apocalyptic number.

It is an amenable number.

45728316 is an abundant number, since it is smaller than the sum of its proper divisors (69862796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45728316 is a wasteful number, since it uses less digits than its factorization.

45728316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270241 (or 1270236 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45728316 is about 6762.2715118516. The cubic root of 45728316 is about 357.5979903195.

The spelling of 45728316 in words is "forty-five million, seven hundred twenty-eight thousand, three hundred sixteen".