264356545 has 16 divisors (see below), whose sum is σ = 338158800. Its totient is φ = 197699584.

The previous prime is 264356537. The next prime is 264356551. The reversal of 264356545 is 545653462.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13830961 + 250525584 = 3719^2 + 15828^2 .

It is a cyclic number.

It is not a de Polignac number, because 264356545 - 2³ = 264356537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264356498 and 264356507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229 + ... + 23101.

It is an arithmetic number, because the mean of its divisors is an integer number (21134925).

Almost surely, 2^264356545 is an apocalyptic number.

It is an amenable number.

264356545 is a deficient number, since it is larger than the sum of its proper divisors (73802255).

264356545 is a wasteful number, since it uses less digits than its factorization.

264356545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044.

The product of its digits is 432000, while the sum is 40.

The square root of 264356545 is about 16259.0450211567. The cubic root of 264356545 is about 641.7955316231.

The spelling of 264356545 in words is "two hundred sixty-four million, three hundred fifty-six thousand, five hundred forty-five".