45530020 has 24 divisors (see below), whose sum is σ = 95889024. Its totient is φ = 18159456.

The previous prime is 45530011. The next prime is 45530033. The reversal of 45530020 is 2003554.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45530020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4239 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (3995376).

Almost surely, 2^45530020 is an apocalyptic number.

It is an amenable number.

45530020 is an abundant number, since it is smaller than the sum of its proper divisors (50359004).

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

45530020 is a wasteful number, since it uses less digits than its factorization.

45530020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579 (or 6577 counting only the distinct ones).

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

The square root of 45530020 is about 6747.5936451449. The cubic root of 45530020 is about 357.0803460878.

Adding to 45530020 its reverse (2003554), we get a palindrome (47533574).

The spelling of 45530020 in words is "forty-five million, five hundred thirty thousand, twenty".