545043215 has 24 divisors (see below), whose sum is σ = 700174368. Its totient is φ = 407171520.

The previous prime is 545043211. The next prime is 545043221. The reversal of 545043215 is 512340545.

545043215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545043215 - 2² = 545043211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545043211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126029 + ... + 130281.

It is an arithmetic number, because the mean of its divisors is an integer number (29173932).

Almost surely, 2^545043215 is an apocalyptic number.

545043215 is a deficient number, since it is larger than the sum of its proper divisors (155131153).

545043215 is a wasteful number, since it uses less digits than its factorization.

545043215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367 (or 4348 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 545043215 is about 23346.1606051188. The cubic root of 545043215 is about 816.8525062751.

The spelling of 545043215 in words is "five hundred forty-five million, forty-three thousand, two hundred fifteen".