1113534445 has 4 divisors (see below), whose sum is σ = 1336241340. Its totient is φ = 890827552.

The previous prime is 1113534427. The next prime is 1113534449. The reversal of 1113534445 is 5444353111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5444353111 = 359 ⋅15165329.

It can be written as a sum of positive squares in 2 ways, for example, as 871607529 + 241926916 = 29523^2 + 15554^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113534445 - 2⁹ = 1113533933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113534449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111353440 + ... + 111353449.

It is an arithmetic number, because the mean of its divisors is an integer number (334060335).

Almost surely, 2^1113534445 is an apocalyptic number.

It is an amenable number.

1113534445 is a deficient number, since it is larger than the sum of its proper divisors (222706895).

1113534445 is an equidigital number, since it uses as much as digits as its factorization.

1113534445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222706894.

The product of its digits is 14400, while the sum is 31.

The square root of 1113534445 is about 33369.6635434042. The cubic root of 1113534445 is about 1036.4966080758.

Adding to 1113534445 its reverse (5444353111), we get a palindrome (6557887556).

The spelling of 1113534445 in words is "one billion, one hundred thirteen million, five hundred thirty-four thousand, four hundred forty-five".