549046845 has 12 divisors (see below), whose sum is σ = 951681276. Its totient is φ = 292824960.

The previous prime is 549046837. The next prime is 549046871. The reversal of 549046845 is 548640945.

549046845 is a `hidden beast` number, since 549 + 0 + 4 + 68 + 45 = 666.

549046845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 373378329 + 175668516 = 19323^2 + 13254^2 .

It is not a de Polignac number, because 549046845 - 2³ = 549046837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12201041 = 549046845 / (5 + 4 + 9 + 0 + 4 + 6 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 549046845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6100476 + ... + 6100565.

It is an arithmetic number, because the mean of its divisors is an integer number (79306773).

Almost surely, 2^549046845 is an apocalyptic number.

It is an amenable number.

549046845 is a deficient number, since it is larger than the sum of its proper divisors (402634431).

549046845 is a wasteful number, since it uses less digits than its factorization.

549046845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201052 (or 12201049 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 549046845 is about 23431.7486543365. The cubic root of 549046845 is about 818.8476998576.

The spelling of 549046845 in words is "five hundred forty-nine million, forty-six thousand, eight hundred forty-five".