268157 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 251680.

The previous prime is 268153. The next prime is 268171. The reversal of 268157 is 751862.

268157 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is not a de Polignac number, because 268157 - 2² = 268153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2²⁶⁸¹⁵⁷ is an apocalyptic number.

It is an amenable number.

268157 is a deficient number, since it is larger than the sum of its proper divisors (16963).

268157 is a wasteful number, since it uses less digits than its factorization.

268157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its digits is 3360, while the sum is 29.

The square root of 268157 is about 517.8387779995. The cubic root of 268157 is about 64.4856447030.

The spelling of 268157 in words is "two hundred sixty-eight thousand, one hundred fifty-seven".