45003520 has 36 divisors (see below), whose sum is σ = 107800560. Its totient is φ = 18000896.

The previous prime is 45003467. The next prime is 45003521. The reversal of 45003520 is 2530054.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16300 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (2994460).

Almost surely, 2^45003520 is an apocalyptic number.

45003520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45003520 is an abundant number, since it is smaller than the sum of its proper divisors (62797040).

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

45003520 is an equidigital number, since it uses as much as digits as its factorization.

45003520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35180 (or 35166 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 45003520 is about 6708.4662926782. The cubic root of 45003520 is about 355.6986044771.

Adding to 45003520 its reverse (2530054), we get a palindrome (47533574).

The spelling of 45003520 in words is "forty-five million, three thousand, five hundred twenty".