1165462243 has 16 divisors (see below), whose sum is σ = 1307151360. Its totient is φ = 1030032000.

The previous prime is 1165462219. The next prime is 1165462247. The reversal of 1165462243 is 3422645611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165462243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1165462199 and 1165462208.

It is not an unprimeable number, because it can be changed into a prime (1165462247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70603 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (81696960).

Almost surely, 2^1165462243 is an apocalyptic number.

1165462243 is a deficient number, since it is larger than the sum of its proper divisors (141689117).

1165462243 is a wasteful number, since it uses less digits than its factorization.

1165462243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138.

The product of its digits is 34560, while the sum is 34.

The square root of 1165462243 is about 34138.8670432983. The cubic root of 1165462243 is about 1052.3642094944.

The spelling of 1165462243 in words is "one billion, one hundred sixty-five million, four hundred sixty-two thousand, two hundred forty-three".