68151 has 4 divisors (see below), whose sum is σ = 90872. Its totient is φ = 45432.

The previous prime is 68147. The next prime is 68161. The reversal of 68151 is 15186.

68151 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68151 - 2² = 68147 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68111) 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, 11356 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (22718).

2⁶⁸¹⁵¹ is an apocalyptic number.

68151 is a deficient number, since it is larger than the sum of its proper divisors (22721).

68151 is a wasteful number, since it uses less digits than its factorization.

68151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22720.

The product of its digits is 240, while the sum is 21.

The square root of 68151 is about 261.0574649383. The cubic root of 68151 is about 40.8467409347.

The spelling of 68151 in words is "sixty-eight thousand, one hundred fifty-one".