45381803 has 4 divisors (see below), whose sum is σ = 45806040. Its totient is φ = 44957568.

The previous prime is 45381773. The next prime is 45381811. The reversal of 45381803 is 30818354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45381803 - 2¹⁰ = 45380779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45381803.

It is not an unprimeable number, because it can be changed into a prime (45381863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211958 + ... + 212171.

It is an arithmetic number, because the mean of its divisors is an integer number (11451510).

Almost surely, 2^45381803 is an apocalyptic number.

45381803 is a deficient number, since it is larger than the sum of its proper divisors (424237).

45381803 is a wasteful number, since it uses less digits than its factorization.

45381803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424236.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45381803 is about 6736.6017397498. The cubic root of 45381803 is about 356.6924488112.

The spelling of 45381803 in words is "forty-five million, three hundred eighty-one thousand, eight hundred three".