268451045 has 4 divisors (see below), whose sum is σ = 322141260. Its totient is φ = 214760832.

The previous prime is 268451039. The next prime is 268451047. The reversal of 268451045 is 540154862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197065444 + 71385601 = 14038^2 + 8449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268451045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268450996 and 268451014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268451047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26845100 + ... + 26845109.

It is an arithmetic number, because the mean of its divisors is an integer number (80535315).

Almost surely, 2^268451045 is an apocalyptic number.

It is an amenable number.

268451045 is a deficient number, since it is larger than the sum of its proper divisors (53690215).

268451045 is an equidigital number, since it uses as much as digits as its factorization.

268451045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53690214.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 268451045 is about 16384.4757316186. The cubic root of 268451045 is about 645.0920646583.

The spelling of 268451045 in words is "two hundred sixty-eight million, four hundred fifty-one thousand, forty-five".