264345 has 8 divisors (see below), whose sum is σ = 422976. Its totient is φ = 140976.

The previous prime is 264343. The next prime is 264349. The reversal of 264345 is 543462.

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

It is not a de Polignac number, because 264345 - 2¹ = 264343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8797 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (52872).

2²⁶⁴³⁴⁵ is an apocalyptic number.

It is an amenable number.

264345 is a deficient number, since it is larger than the sum of its proper divisors (158631).

264345 is a wasteful number, since it uses less digits than its factorization.

264345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17631.

The product of its digits is 2880, while the sum is 24.

The square root of 264345 is about 514.1449212041. The cubic root of 264345 is about 64.1786188639.

It can be divided in two parts, 26 and 4345, that added together give a triangular number (4371 = T₉₃).

The spelling of 264345 in words is "two hundred sixty-four thousand, three hundred forty-five".