1168534945 has 4 divisors (see below), whose sum is σ = 1402241940. Its totient is φ = 934827952.

The previous prime is 1168534931. The next prime is 1168534981. The reversal of 1168534945 is 5494358611.

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 911798416 + 256736529 = 30196^2 + 16023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168534945 - 2⁷ = 1168534817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1168534895 and 1168534904.

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, 116853490 + ... + 116853499.

It is an arithmetic number, because the mean of its divisors is an integer number (350560485).

Almost surely, 2^1168534945 is an apocalyptic number.

It is an amenable number.

1168534945 is a deficient number, since it is larger than the sum of its proper divisors (233706995).

1168534945 is an equidigital number, since it uses as much as digits as its factorization.

1168534945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233706994.

The product of its digits is 518400, while the sum is 46.

The square root of 1168534945 is about 34183.8404074206. The cubic root of 1168534945 is about 1053.2882388584.

The spelling of 1168534945 in words is "one billion, one hundred sixty-eight million, five hundred thirty-four thousand, nine hundred forty-five".