264145047 has 4 divisors (see below), whose sum is σ = 352193400. Its totient is φ = 176096696.

The previous prime is 264145039. The next prime is 264145073. The reversal of 264145047 is 740541462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264145047 - 2³ = 264145039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264144999 and 264145017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264147047) by changing a digit.

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, 44024172 + ... + 44024177.

It is an arithmetic number, because the mean of its divisors is an integer number (88048350).

Almost surely, 2^264145047 is an apocalyptic number.

264145047 is a deficient number, since it is larger than the sum of its proper divisors (88048353).

264145047 is an equidigital number, since it uses as much as digits as its factorization.

264145047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88048352.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 264145047 is about 16252.5397092270. The cubic root of 264145047 is about 641.6243301540.

The spelling of 264145047 in words is "two hundred sixty-four million, one hundred forty-five thousand, forty-seven".