264641045 has 8 divisors (see below), whose sum is σ = 318513624. Its totient is φ = 211083264.

The previous prime is 264641029. The next prime is 264641051. The reversal of 264641045 is 540146462.

264641045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3301489 + 261339556 = 1817^2 + 16166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264641045 - 2⁴ = 264641029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76844 + ... + 80213.

It is an arithmetic number, because the mean of its divisors is an integer number (39814203).

Almost surely, 2^264641045 is an apocalyptic number.

It is an amenable number.

264641045 is a deficient number, since it is larger than the sum of its proper divisors (53872579).

264641045 is a wasteful number, since it uses less digits than its factorization.

264641045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157399.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 264641045 is about 16267.7916448423. The cubic root of 264641045 is about 642.0256821149.

The spelling of 264641045 in words is "two hundred sixty-four million, six hundred forty-one thousand, forty-five".