286143157 has 2 divisors, whose sum is σ = 286143158. Its totient is φ = 286143156.

The previous prime is 286143139. The next prime is 286143197. The reversal of 286143157 is 751341682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269813476 + 16329681 = 16426^2 + 4041^2 .

It is a cyclic number.

It is not a de Polignac number, because 286143157 - 2²⁷ = 151925429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286143107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143071578 + 143071579.

It is an arithmetic number, because the mean of its divisors is an integer number (143071579).

Almost surely, 2^286143157 is an apocalyptic number.

It is an amenable number.

286143157 is a deficient number, since it is larger than the sum of its proper divisors (1).

286143157 is an equidigital number, since it uses as much as digits as its factorization.

286143157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 286143157 is about 16915.7665212074. The cubic root of 286143157 is about 658.9631385468.

The spelling of 286143157 in words is "two hundred eighty-six million, one hundred forty-three thousand, one hundred fifty-seven".