264005145 has 24 divisors (see below), whose sum is σ = 472372992. Its totient is φ = 136260000.

The previous prime is 264005129. The next prime is 264005153. The reversal of 264005145 is 541500462.

264005145 is a `hidden beast` number, since 2 + 640 + 0 + 5 + 14 + 5 = 666.

It is not a de Polignac number, because 264005145 - 2⁴ = 264005129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93231 + ... + 96020.

It is an arithmetic number, because the mean of its divisors is an integer number (19682208).

Almost surely, 2^264005145 is an apocalyptic number.

It is an amenable number.

264005145 is a deficient number, since it is larger than the sum of its proper divisors (208367847).

264005145 is a wasteful number, since it uses less digits than its factorization.

264005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189293 (or 189290 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 264005145 is about 16248.2351349308. The cubic root of 264005145 is about 641.5110333368.

The spelling of 264005145 in words is "two hundred sixty-four million, five thousand, one hundred forty-five".