264312645 has 32 divisors (see below), whose sum is σ = 439292160. Its totient is φ = 135590400.

The previous prime is 264312611. The next prime is 264312647. The reversal of 264312645 is 546213462.

264312645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264312645 - 2¹² = 264308549 is a prime.

It is a super-2 number, since 2×264312645² = 139722348613792050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264312647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46720 + ... + 52070.

It is an arithmetic number, because the mean of its divisors is an integer number (13727880).

Almost surely, 2^264312645 is an apocalyptic number.

It is an amenable number.

264312645 is a deficient number, since it is larger than the sum of its proper divisors (174979515).

264312645 is a wasteful number, since it uses less digits than its factorization.

264312645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its digits is 34560, while the sum is 33.

The square root of 264312645 is about 16257.6949473165. The cubic root of 264312645 is about 641.7600033638.

The spelling of 264312645 in words is "two hundred sixty-four million, three hundred twelve thousand, six hundred forty-five".