1153022443 has 4 divisors (see below), whose sum is σ = 1153673080. Its totient is φ = 1152371808.

The previous prime is 1153022441. The next prime is 1153022483. The reversal of 1153022443 is 3442203511.

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 1153022443 - 2¹ = 1153022441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153022441) 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, 322653 + ... + 326206.

It is an arithmetic number, because the mean of its divisors is an integer number (288418270).

Almost surely, 2^1153022443 is an apocalyptic number.

1153022443 is a deficient number, since it is larger than the sum of its proper divisors (650637).

1153022443 is an equidigital number, since it uses as much as digits as its factorization.

1153022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650636.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1153022443 is about 33956.1841643021. The cubic root of 1153022443 is about 1048.6066000849.

Adding to 1153022443 its reverse (3442203511), we get a palindrome (4595225954).

The spelling of 1153022443 in words is "one billion, one hundred fifty-three million, twenty-two thousand, four hundred forty-three".