45463728 has 40 divisors (see below), whose sum is σ = 120184768. Its totient is φ = 14801472.

The previous prime is 45463723. The next prime is 45463753. The reversal of 45463728 is 82736454.

It is a happy number.

45463728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45463723) 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 7 ways as a sum of consecutive naturals, for example, 8950 + ... + 13077.

Almost surely, 2^45463728 is an apocalyptic number.

45463728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45463728 is an abundant number, since it is smaller than the sum of its proper divisors (74721040).

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

45463728 is a wasteful number, since it uses less digits than its factorization.

45463728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22081 (or 22075 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 45463728 is about 6742.6795860400. The cubic root of 45463728 is about 356.9069581542.

The spelling of 45463728 in words is "forty-five million, four hundred sixty-three thousand, seven hundred twenty-eight".