264445245 has 24 divisors (see below), whose sum is σ = 460560672. Its totient is φ = 140364000.

The previous prime is 264445231. The next prime is 264445267. The reversal of 264445245 is 542544462.

264445245 is a `hidden beast` number, since 2 + 644 + 4 + 5 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 264445245 - 2¹³ = 264437053 is a prime.

It is a super-2 number, since 2×264445245² = 139862575206220050, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4431 + ... + 23420.

It is an arithmetic number, because the mean of its divisors is an integer number (19190028).

Almost surely, 2^264445245 is an apocalyptic number.

It is an amenable number.

264445245 is a deficient number, since it is larger than the sum of its proper divisors (196115427).

264445245 is a wasteful number, since it uses less digits than its factorization.

264445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28073 (or 28070 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 264445245 is about 16261.7725048655. The cubic root of 264445245 is about 641.8673045108.

The spelling of 264445245 in words is "two hundred sixty-four million, four hundred forty-five thousand, two hundred forty-five".