68146 has 8 divisors (see below), whose sum is σ = 110124. Its totient is φ = 31440.

The previous prime is 68141. The next prime is 68147. The reversal of 68146 is 64186.

It can be written as a sum of positive squares in 2 ways, for example, as 68121 + 25 = 261^2 + 5^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68146.

It is not an unprimeable number, because it can be changed into a prime (68141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285 + ... + 1336.

2⁶⁸¹⁴⁶ is an apocalyptic number.

68146 is a deficient number, since it is larger than the sum of its proper divisors (41978).

68146 is a wasteful number, since it uses less digits than its factorization.

68146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its digits is 1152, while the sum is 25.

The square root of 68146 is about 261.0478883270. The cubic root of 68146 is about 40.8457419829.

Subtracting from 68146 its sum of digits (25), we obtain a square (68121 = 261²).

It can be divided in two parts, 681 and 46, that added together give a palindrome (727).

The spelling of 68146 in words is "sixty-eight thousand, one hundred forty-six".