545018512 has 20 divisors (see below), whose sum is σ = 1061813116. Its totient is φ = 271002240.

The previous prime is 545018503. The next prime is 545018519. The reversal of 545018512 is 215810545.

It can be written as a sum of positive squares in 2 ways, for example, as 4734976 + 540283536 = 2176^2 + 23244^2 .

It is not an unprimeable number, because it can be changed into a prime (545018519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91203 + ... + 96994.

Almost surely, 2^545018512 is an apocalyptic number.

It is an amenable number.

545018512 is a deficient number, since it is larger than the sum of its proper divisors (516794604).

545018512 is a wasteful number, since it uses less digits than its factorization.

545018512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188386 (or 188380 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 545018512 is about 23345.6315399691. The cubic root of 545018512 is about 816.8401653501.

The spelling of 545018512 in words is "five hundred forty-five million, eighteen thousand, five hundred twelve".