45381786 has 8 divisors (see below), whose sum is σ = 90763584. Its totient is φ = 15127260.

The previous prime is 45381773. The next prime is 45381811. The reversal of 45381786 is 68718354.

45381786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

45381786 is an admirable number.

It is a Curzon 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, 3781810 + ... + 3781821.

It is an arithmetic number, because the mean of its divisors is an integer number (11345448).

Almost surely, 2^45381786 is an apocalyptic number.

45381786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45381786 is a wasteful number, since it uses less digits than its factorization.

45381786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563636.

The product of its digits is 161280, while the sum is 42.

The square root of 45381786 is about 6736.6004779859. The cubic root of 45381786 is about 356.6924042723.

The spelling of 45381786 in words is "forty-five million, three hundred eighty-one thousand, seven hundred eighty-six".