45381923 has 4 divisors (see below), whose sum is σ = 46845888. Its totient is φ = 43917960.

The previous prime is 45381913. The next prime is 45381929. The reversal of 45381923 is 32918354.

45381923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45381923 - 2⁶ = 45381859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45381929) 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 3 ways as a sum of consecutive naturals, for example, 731936 + ... + 731997.

It is an arithmetic number, because the mean of its divisors is an integer number (11711472).

Almost surely, 2^45381923 is an apocalyptic number.

45381923 is a deficient number, since it is larger than the sum of its proper divisors (1463965).

45381923 is a wasteful number, since it uses less digits than its factorization.

45381923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463964.

The product of its digits is 25920, while the sum is 35.

The square root of 45381923 is about 6736.6106463117. The cubic root of 45381923 is about 356.6927632034.

The spelling of 45381923 in words is "forty-five million, three hundred eighty-one thousand, nine hundred twenty-three".