269158243 has 4 divisors (see below), whose sum is σ = 269720640. Its totient is φ = 268595848.

The previous prime is 269158217. The next prime is 269158247. The reversal of 269158243 is 342851962.

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

It is a cyclic number.

It is not a de Polignac number, because 269158243 - 2⁹ = 269157731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269158196 and 269158205.

It is not an unprimeable number, because it can be changed into a prime (269158247) 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 3 ways as a sum of consecutive naturals, for example, 280480 + ... + 281437.

It is an arithmetic number, because the mean of its divisors is an integer number (67430160).

Almost surely, 2^269158243 is an apocalyptic number.

269158243 is a deficient number, since it is larger than the sum of its proper divisors (562397).

269158243 is an equidigital number, since it uses as much as digits as its factorization.

269158243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562396.

The product of its digits is 103680, while the sum is 40.

The square root of 269158243 is about 16406.0428805974. The cubic root of 269158243 is about 645.6580372453.

The spelling of 269158243 in words is "two hundred sixty-nine million, one hundred fifty-eight thousand, two hundred forty-three".