262143157 has 2 divisors, whose sum is σ = 262143158. Its totient is φ = 262143156.

The previous prime is 262143149. The next prime is 262143191. The reversal of 262143157 is 751341262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157101156 + 105042001 = 12534^2 + 10249^2 .

It is a cyclic number.

It is not a de Polignac number, because 262143157 - 2³ = 262143149 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 (262143197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131071578 + 131071579.

It is an arithmetic number, because the mean of its divisors is an integer number (131071579).

Almost surely, 2^262143157 is an apocalyptic number.

It is an amenable number.

262143157 is a deficient number, since it is larger than the sum of its proper divisors (1).

262143157 is an equidigital number, since it uses as much as digits as its factorization.

262143157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 262143157 is about 16190.8355868374. The cubic root of 262143157 is about 639.9993139641. Note that the first 3 decimals are identical.

The spelling of 262143157 in words is "two hundred sixty-two million, one hundred forty-three thousand, one hundred fifty-seven".