45603020 has 24 divisors (see below), whose sum is σ = 99931104. Its totient is φ = 17447936.

The previous prime is 45603013. The next prime is 45603023. The reversal of 45603020 is 2030654.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 45602983 and 45603001.

It is not an unprimeable number, because it can be changed into a prime (45603023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49109 + ... + 50028.

It is an arithmetic number, because the mean of its divisors is an integer number (4163796).

Almost surely, 2^45603020 is an apocalyptic number.

It is an amenable number.

45603020 is an abundant number, since it is smaller than the sum of its proper divisors (54328084).

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

45603020 is a wasteful number, since it uses less digits than its factorization.

45603020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99169 (or 99167 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45603020 is about 6753.0008144528. Note that the first 3 decimals coincide. The cubic root of 45603020 is about 357.2710843182.

Adding to 45603020 its reverse (2030654), we get a palindrome (47633674).

The spelling of 45603020 in words is "forty-five million, six hundred three thousand, twenty".