1135543445 has 8 divisors (see below), whose sum is σ = 1368603960. Its totient is φ = 904466880.

The previous prime is 1135543427. The next prime is 1135543457. The reversal of 1135543445 is 5443455311.

It can be written as a sum of positive squares in 4 ways, for example, as 499343716 + 636199729 = 22346^2 + 25223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1135543445 - 2²⁰ = 1134494869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494726 + ... + 497015.

It is an arithmetic number, because the mean of its divisors is an integer number (171075495).

Almost surely, 2^1135543445 is an apocalyptic number.

It is an amenable number.

1135543445 is a deficient number, since it is larger than the sum of its proper divisors (233060515).

1135543445 is an equidigital number, since it uses as much as digits as its factorization.

1135543445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991975.

The product of its digits is 72000, while the sum is 35.

The square root of 1135543445 is about 33697.8255233183. The cubic root of 1135543445 is about 1043.2808879743.

Adding to 1135543445 its reverse (5443455311), we get a palindrome (6578998756).

The spelling of 1135543445 in words is "one billion, one hundred thirty-five million, five hundred forty-three thousand, four hundred forty-five".