1164523845 has 32 divisors (see below), whose sum is σ = 1895034240. Its totient is φ = 610571520.

The previous prime is 1164523837. The next prime is 1164523883. The reversal of 1164523845 is 5483254611.

It is not a de Polignac number, because 1164523845 - 2³ = 1164523837 is a prime.

It is a super-2 number, since 2×1164523845² = 2712231571147168050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211467 + ... + 216903.

It is an arithmetic number, because the mean of its divisors is an integer number (59219820).

Almost surely, 2^1164523845 is an apocalyptic number.

1164523845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164523845 is a deficient number, since it is larger than the sum of its proper divisors (730510395).

1164523845 is a wasteful number, since it uses less digits than its factorization.

1164523845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685.

The product of its digits is 115200, while the sum is 39.

The square root of 1164523845 is about 34125.1204393479. The cubic root of 1164523845 is about 1052.0816887922.

The spelling of 1164523845 in words is "one billion, one hundred sixty-four million, five hundred twenty-three thousand, eight hundred forty-five".