2100045530 has 64 divisors (see below), whose sum is σ = 4409925120. Its totient is φ = 711552000.

The previous prime is 2100045529. The next prime is 2100045559. The reversal of 2100045530 is 355400012.

2100045530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183311 + ... + 194429.

It is an arithmetic number, because the mean of its divisors is an integer number (68905080).

Almost surely, 2^2100045530 is an apocalyptic number.

2100045530 is an abundant number, since it is smaller than the sum of its proper divisors (2309879590).

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

2100045530 is a wasteful number, since it uses less digits than its factorization.

2100045530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2100045530 is about 45826.2537198929. The cubic root of 2100045530 is about 1280.5884196459.

Adding to 2100045530 its reverse (355400012), we get a palindrome (2455445542).

The spelling of 2100045530 in words is "two billion, one hundred million, forty-five thousand, five hundred thirty".