45523873 has 8 divisors (see below), whose sum is σ = 47146536. Its totient is φ = 43929600.

The previous prime is 45523859. The next prime is 45523879. The reversal of 45523873 is 37832554.

45523873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6436369 + 39087504 = 2537^2 + 6252^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45523873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45523879) 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, 3808 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (5893317).

Almost surely, 2^45523873 is an apocalyptic number.

It is an amenable number.

45523873 is a deficient number, since it is larger than the sum of its proper divisors (1622663).

45523873 is a wasteful number, since it uses less digits than its factorization.

45523873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14195.

The product of its digits is 100800, while the sum is 37.

The square root of 45523873 is about 6747.1381340536. The cubic root of 45523873 is about 357.0642755797.

The spelling of 45523873 in words is "forty-five million, five hundred twenty-three thousand, eight hundred seventy-three".