318045 has 32 divisors (see below), whose sum is σ = 628992. Its totient is φ = 133632.

The previous prime is 318023. The next prime is 318077. The reversal of 318045 is 540813.

318045 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 318045 - 2⁸ = 317789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

318045 is strictly pandigital in base 7.

318045 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2³¹⁸⁰⁴⁵ is an apocalyptic number.

318045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

318045 is a deficient number, since it is larger than the sum of its proper divisors (310947).

318045 is a wasteful number, since it uses less digits than its factorization.

318045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 318045 is about 563.9547854217. The cubic root of 318045 is about 68.2594614478.

Adding to 318045 its reverse (540813), we get a palindrome (858858).

The spelling of 318045 in words is "three hundred eighteen thousand, forty-five".