145683 has 6 divisors (see below), whose sum is σ = 210444. Its totient is φ = 97116.

The previous prime is 145681. The next prime is 145687. The reversal of 145683 is 386541.

It is not a de Polignac number, because 145683 - 2¹ = 145681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8085 + ... + 8102.

It is an arithmetic number, because the mean of its divisors is an integer number (35074).

145683 is a Friedman number, since it can be written as 48561*3, using all its digits and the basic arithmetic operations.

2¹⁴⁵⁶⁸³ is an apocalyptic number.

145683 is a deficient number, since it is larger than the sum of its proper divisors (64761).

145683 is a wasteful number, since it uses less digits than its factorization.

145683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193 (or 16190 counting only the distinct ones).

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

The square root of 145683 is about 381.6844246233. The cubic root of 145683 is about 52.6182369163.

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

The spelling of 145683 in words is "one hundred forty-five thousand, six hundred eighty-three".