545120252 has 12 divisors (see below), whose sum is σ = 957069960. Its totient is φ = 271671696.

The previous prime is 545120243. The next prime is 545120267. The reversal of 545120252 is 252021545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220727 + ... + 223182.

It is an arithmetic number, because the mean of its divisors is an integer number (79755830).

Almost surely, 2^545120252 is an apocalyptic number.

It is an amenable number.

545120252 is a deficient number, since it is larger than the sum of its proper divisors (411949708).

545120252 is a wasteful number, since it uses less digits than its factorization.

545120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444220 (or 444218 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 545120252 is about 23347.8104326723. The cubic root of 545120252 is about 816.8909894022.

Adding to 545120252 its reverse (252021545), we get a palindrome (797141797).

The spelling of 545120252 in words is "five hundred forty-five million, one hundred twenty thousand, two hundred fifty-two".