1164245305 has 4 divisors (see below), whose sum is σ = 1397094372. Its totient is φ = 931396240.

The previous prime is 1164245263. The next prime is 1164245333. The reversal of 1164245305 is 5035424611.

It is a happy number.

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 704743209 + 459502096 = 26547^2 + 21436^2 .

It is not a de Polignac number, because 1164245305 - 2⁹ = 1164244793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116424526 + ... + 116424535.

It is an arithmetic number, because the mean of its divisors is an integer number (349273593).

Almost surely, 2^1164245305 is an apocalyptic number.

It is an amenable number.

1164245305 is a deficient number, since it is larger than the sum of its proper divisors (232849067).

1164245305 is an equidigital number, since it uses as much as digits as its factorization.

1164245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232849066.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1164245305 is about 34121.0390375205. The cubic root of 1164245305 is about 1051.9978003708.

Adding to 1164245305 its reverse (5035424611), we get a palindrome (6199669916).

The spelling of 1164245305 in words is "one billion, one hundred sixty-four million, two hundred forty-five thousand, three hundred five".