282157 has 2 divisors, whose sum is σ = 282158. Its totient is φ = 282156.

The previous prime is 282143. The next prime is 282167. The reversal of 282157 is 751282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 196 = 531^2 + 14^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282157 is a prime.

It is a super-2 number, since 2×282157² = 159225145298, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁴ + 8² + 1 + 2¹⁸ + 5⁵ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141078 + 141079.

It is an arithmetic number, because the mean of its divisors is an integer number (141079).

2²⁸²¹⁵⁷ is an apocalyptic number.

It is an amenable number.

282157 is a deficient number, since it is larger than the sum of its proper divisors (1).

282157 is an equidigital number, since it uses as much as digits as its factorization.

282157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 282157 is about 531.1845253770. The cubic root of 282157 is about 65.5888892793.

The spelling of 282157 in words is "two hundred eighty-two thousand, one hundred fifty-seven".