268917145 has 32 divisors (see below), whose sum is σ = 389376000. Its totient is φ = 178008768.

The previous prime is 268917107. The next prime is 268917167. The reversal of 268917145 is 541719862.

It is not a de Polignac number, because 268917145 - 2¹³ = 268908953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47032 + ... + 52438.

It is an arithmetic number, because the mean of its divisors is an integer number (12168000).

Almost surely, 2^268917145 is an apocalyptic number.

It is an amenable number.

268917145 is a deficient number, since it is larger than the sum of its proper divisors (120458855).

268917145 is an equidigital number, since it uses as much as digits as its factorization.

268917145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5448 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 268917145 is about 16398.6933930725. The cubic root of 268917145 is about 645.4651973229.

The spelling of 268917145 in words is "two hundred sixty-eight million, nine hundred seventeen thousand, one hundred forty-five".