545254220452 has 24 divisors (see below), whose sum is σ = 965123631360. Its totient is φ = 269515252320.

The previous prime is 545254220419. The next prime is 545254220479. The reversal of 545254220452 is 254022452545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124799 + ... + 1534822.

It is an arithmetic number, because the mean of its divisors is an integer number (40213484640).

Almost surely, 2^545254220452 is an apocalyptic number.

It is an amenable number.

545254220452 is a deficient number, since it is larger than the sum of its proper divisors (419869410908).

545254220452 is a wasteful number, since it uses less digits than its factorization.

545254220452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660211 (or 2660209 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

Adding to 545254220452 its reverse (254022452545), we get a palindrome (799276672997).

The spelling of 545254220452 in words is "five hundred forty-five billion, two hundred fifty-four million, two hundred twenty thousand, four hundred fifty-two".