45003523 has 4 divisors (see below), whose sum is σ = 45117280. Its totient is φ = 44889768.

The previous prime is 45003521. The next prime is 45003559. The reversal of 45003523 is 32530054.

45003523 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 45003523 - 2¹ = 45003521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45003494 and 45003503.

It is not an unprimeable number, because it can be changed into a prime (45003521) 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, 56283 + ... + 57076.

It is an arithmetic number, because the mean of its divisors is an integer number (11279320).

Almost surely, 2^45003523 is an apocalyptic number.

45003523 is a deficient number, since it is larger than the sum of its proper divisors (113757).

45003523 is a wasteful number, since it uses less digits than its factorization.

45003523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113756.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 45003523 is about 6708.4665162763. The cubic root of 45003523 is about 355.6986123809.

Adding to 45003523 its reverse (32530054), we get a palindrome (77533577).

The spelling of 45003523 in words is "forty-five million, three thousand, five hundred twenty-three".