1150205443 has 4 divisors (see below), whose sum is σ = 1150838208. Its totient is φ = 1149572680.

The previous prime is 1150205389. The next prime is 1150205503. The reversal of 1150205443 is 3445020511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1150205443 - 2¹⁷ = 1150074371 is a prime.

It is a super-2 number, since 2×1150205443² = 2645945122213652498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150205843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313648 + ... + 317293.

It is an arithmetic number, because the mean of its divisors is an integer number (287709552).

Almost surely, 2^1150205443 is an apocalyptic number.

1150205443 is a deficient number, since it is larger than the sum of its proper divisors (632765).

1150205443 is an equidigital number, since it uses as much as digits as its factorization.

1150205443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632764.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1150205443 is about 33914.6788721344. The cubic root of 1150205443 is about 1047.7519380032.

Adding to 1150205443 its reverse (3445020511), we get a palindrome (4595225954).

The spelling of 1150205443 in words is "one billion, one hundred fifty million, two hundred five thousand, four hundred forty-three".