268549245 has 24 divisors (see below), whose sum is σ = 466011000. Its totient is φ = 143064576.

The previous prime is 268549241. The next prime is 268549273. The reversal of 268549245 is 542945862.

268549245 is a `hidden beast` number, since 2 + 68 + 549 + 2 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 150479289 + 118069956 = 12267^2 + 10866^2 .

It is not a de Polignac number, because 268549245 - 2² = 268549241 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268549245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268549241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44361 + ... + 50049.

It is an arithmetic number, because the mean of its divisors is an integer number (19417125).

Almost surely, 2^268549245 is an apocalyptic number.

It is an amenable number.

268549245 is a deficient number, since it is larger than the sum of its proper divisors (197461755).

268549245 is a wasteful number, since it uses less digits than its factorization.

268549245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749 (or 6746 counting only the distinct ones).

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

The square root of 268549245 is about 16387.4721967728. The cubic root of 268549245 is about 645.1707137816.

The spelling of 268549245 in words is "two hundred sixty-eight million, five hundred forty-nine thousand, two hundred forty-five".