45728884 has 12 divisors (see below), whose sum is σ = 80093664. Its totient is φ = 22844984.

The previous prime is 45728873. The next prime is 45728927. The reversal of 45728884 is 48882754.

It is a happy number.

45728884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45728884³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1287 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (6674472).

Almost surely, 2^45728884 is an apocalyptic number.

It is an amenable number.

45728884 is a deficient number, since it is larger than the sum of its proper divisors (34364780).

45728884 is a wasteful number, since it uses less digits than its factorization.

45728884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9734 (or 9732 counting only the distinct ones).

The product of its digits is 573440, while the sum is 46.

The square root of 45728884 is about 6762.3135094433. The cubic root of 45728884 is about 357.5994709106.

It can be divided in two parts, 4572 and 8884, that added together give a square (13456 = 116²).

The spelling of 45728884 in words is "forty-five million, seven hundred twenty-eight thousand, eight hundred eighty-four".