1164312845 has 4 divisors (see below), whose sum is σ = 1397175420. Its totient is φ = 931450272.

The previous prime is 1164312833. The next prime is 1164312859. The reversal of 1164312845 is 5482134611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 195049156 + 969263689 = 13966^2 + 31133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164312845 - 2²⁴ = 1147535629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116431280 + ... + 116431289.

It is an arithmetic number, because the mean of its divisors is an integer number (349293855).

Almost surely, 2^1164312845 is an apocalyptic number.

It is an amenable number.

1164312845 is a deficient number, since it is larger than the sum of its proper divisors (232862575).

1164312845 is an equidigital number, since it uses as much as digits as its factorization.

1164312845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232862574.

The product of its digits is 23040, while the sum is 35.

The square root of 1164312845 is about 34122.0287351148. The cubic root of 1164312845 is about 1052.0181427498.

The spelling of 1164312845 in words is "one billion, one hundred sixty-four million, three hundred twelve thousand, eight hundred forty-five".