545180505 has 16 divisors (see below), whose sum is σ = 872665920. Its totient is φ = 290637248.

The previous prime is 545180453. The next prime is 545180513. The reversal of 545180505 is 505081545.

It is a cyclic number.

It is not a de Polignac number, because 545180505 - 2⁸ = 545180249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35839 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (54541620).

Almost surely, 2^545180505 is an apocalyptic number.

It is an amenable number.

545180505 is a deficient number, since it is larger than the sum of its proper divisors (327485415).

545180505 is a wasteful number, since it uses less digits than its factorization.

545180505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15720.

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 545180505 is about 23349.1007321481. The cubic root of 545180505 is about 816.9210857093.

The spelling of 545180505 in words is "five hundred forty-five million, one hundred eighty thousand, five hundred five".