545115252 has 24 divisors (see below), whose sum is σ = 1387566432. Its totient is φ = 165186400.

The previous prime is 545115227. The next prime is 545115271. The reversal of 545115252 is 252511545.

545115252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2064699 + ... + 2064962.

It is an arithmetic number, because the mean of its divisors is an integer number (57815268).

Almost surely, 2^545115252 is an apocalyptic number.

It is an amenable number.

545115252 is an abundant number, since it is smaller than the sum of its proper divisors (842451180).

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

545115252 is a wasteful number, since it uses less digits than its factorization.

545115252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129679 (or 4129677 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 545115252 is about 23347.7033560048. The cubic root of 545115252 is about 816.8884918081. Note that the first 3 decimals are identical.

Adding to 545115252 its reverse (252511545), we get a palindrome (797626797).

The spelling of 545115252 in words is "five hundred forty-five million, one hundred fifteen thousand, two hundred fifty-two".