268545 has 8 divisors (see below), whose sum is σ = 429696. Its totient is φ = 143216.

The previous prime is 268537. The next prime is 268547. The reversal of 268545 is 545862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268545 - 2³ = 268537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8937 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (53712).

2²⁶⁸⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

268545 is a deficient number, since it is larger than the sum of its proper divisors (161151).

268545 is a wasteful number, since it uses less digits than its factorization.

268545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17911.

The product of its digits is 9600, while the sum is 30.

The square root of 268545 is about 518.2132765571. The cubic root of 268545 is about 64.5167314325.

The spelling of 268545 in words is "two hundred sixty-eight thousand, five hundred forty-five".