545812875 has 24 divisors (see below), whose sum is σ = 983920704. Its totient is φ = 291099600.

The previous prime is 545812873. The next prime is 545812903. The reversal of 545812875 is 578218545.

545812875 is a `hidden beast` number, since 5 + 458 + 128 + 75 = 666.

It is not a de Polignac number, because 545812875 - 2¹ = 545812873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 545812875.

It is not an unprimeable number, because it can be changed into a prime (545812873) 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 23 ways as a sum of consecutive naturals, for example, 241459 + ... + 243708.

It is an arithmetic number, because the mean of its divisors is an integer number (40996696).

Almost surely, 2^545812875 is an apocalyptic number.

545812875 is a deficient number, since it is larger than the sum of its proper divisors (438107829).

545812875 is a wasteful number, since it uses less digits than its factorization.

545812875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485188 (or 485175 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 545812875 is about 23362.6384426075. The cubic root of 545812875 is about 817.2368201450.

The spelling of 545812875 in words is "five hundred forty-five million, eight hundred twelve thousand, eight hundred seventy-five".