6268945145 has 4 divisors (see below), whose sum is σ = 7522734180. Its totient is φ = 5015156112.

The previous prime is 6268945087. The next prime is 6268945217. The reversal of 6268945145 is 5415498626.

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 1414060816 + 4854884329 = 37604^2 + 69677^2 .

It is a cyclic number.

It is not a de Polignac number, because 6268945145 - 2⁸ = 6268944889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6268945093 and 6268945102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626894510 + ... + 626894519.

It is an arithmetic number, because the mean of its divisors is an integer number (1880683545).

Almost surely, 2^6268945145 is an apocalyptic number.

It is an amenable number.

6268945145 is a deficient number, since it is larger than the sum of its proper divisors (1253789035).

6268945145 is a wasteful number, since it uses less digits than its factorization.

6268945145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253789034.

The product of its digits is 2073600, while the sum is 50.

The square root of 6268945145 is about 79176.6704591700. The cubic root of 6268945145 is about 1843.8750588810.

The spelling of 6268945145 in words is "six billion, two hundred sixty-eight million, nine hundred forty-five thousand, one hundred forty-five".