68245 has 4 divisors (see below), whose sum is σ = 81900. Its totient is φ = 54592.

The previous prime is 68239. The next prime is 68261. The reversal of 68245 is 54286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54286 = 2 ⋅27143.

It can be written as a sum of positive squares in 2 ways, for example, as 14884 + 53361 = 122^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 68245 - 2⁵ = 68213 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 8⁵ + 2¹³ + 4⁷ + 5⁵ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6820 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (20475).

2⁶⁸²⁴⁵ is an apocalyptic number.

It is an amenable number.

68245 is a deficient number, since it is larger than the sum of its proper divisors (13655).

68245 is a wasteful number, since it uses less digits than its factorization.

68245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654.

The product of its digits is 1920, while the sum is 25.

The square root of 68245 is about 261.2374398895. The cubic root of 68245 is about 40.8655121423.

It can be divided in two parts, 682 and 45, that added together give a palindrome (727).

The spelling of 68245 in words is "sixty-eight thousand, two hundred forty-five".