683145 has 48 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 317952.

The previous prime is 683143. The next prime is 683149. The reversal of 683145 is 541386.

It is not a de Polignac number, because 683145 - 2¹ = 683143 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683145.

It is not an unprimeable number, because it can be changed into a prime (683143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14512 + ... + 14558.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁶⁸³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

683145 is a deficient number, since it is larger than the sum of its proper divisors (664695).

683145 is a wasteful number, since it uses less digits than its factorization.

683145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 91 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 683145 is about 826.5258616644. The cubic root of 683145 is about 88.0719538913.

It can be divided in two parts, 683 and 145, that added together give a palindrome (828).

The spelling of 683145 in words is "six hundred eighty-three thousand, one hundred forty-five".