45438768 has 30 divisors (see below), whose sum is σ = 127165844. Its totient is φ = 15146208.

The previous prime is 45438751. The next prime is 45438779. The reversal of 45438768 is 86783454.

45438768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 157630 + ... + 157917.

Almost surely, 2^45438768 is an apocalyptic number.

45438768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45438768 is an abundant number, since it is smaller than the sum of its proper divisors (81727076).

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

45438768 is a wasteful number, since it uses less digits than its factorization.

45438768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315561 (or 315552 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 45438768 is about 6740.8284357340. The cubic root of 45438768 is about 356.8416311428.

The spelling of 45438768 in words is "forty-five million, four hundred thirty-eight thousand, seven hundred sixty-eight".