545254220205 has 24 divisors (see below), whose sum is σ = 945251049600. Its totient is φ = 290758024800.

The previous prime is 545254220201. The next prime is 545254220209. The reversal of 545254220205 is 502022452545.

545254220205 is a `hidden beast` number, since 5 + 4 + 5 + 25 + 422 + 0 + 205 = 666.

It is an interprime number because it is at equal distance from previous prime (545254220201) and next prime (545254220209).

It is not a de Polignac number, because 545254220205 - 2² = 545254220201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545254220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545254220201) 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, 621121 + ... + 1215030.

It is an arithmetic number, because the mean of its divisors is an integer number (39385460400).

Almost surely, 2^545254220205 is an apocalyptic number.

It is an amenable number.

545254220205 is a deficient number, since it is larger than the sum of its proper divisors (399996829395).

545254220205 is a wasteful number, since it uses less digits than its factorization.

545254220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842761 (or 1842758 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 545254220205 in words is "five hundred forty-five billion, two hundred fifty-four million, two hundred twenty thousand, two hundred five".