545153252 has 48 divisors (see below), whose sum is σ = 1130976000. Its totient is φ = 224966784.

The previous prime is 545153243. The next prime is 545153293. The reversal of 545153252 is 252351545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412649 + ... + 413967.

It is an arithmetic number, because the mean of its divisors is an integer number (23562000).

Almost surely, 2^545153252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545153252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565488000).

545153252 is an abundant number, since it is smaller than the sum of its proper divisors (585822748).

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

545153252 is a wasteful number, since it uses less digits than its factorization.

545153252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1866 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 545153252 is about 23348.5171263616. The cubic root of 545153252 is about 816.9074731405.

The spelling of 545153252 in words is "five hundred forty-five million, one hundred fifty-three thousand, two hundred fifty-two".