1113443152 has 20 divisors (see below), whose sum is σ = 2284196436. Its totient is φ = 523973120.

The previous prime is 1113443141. The next prime is 1113443153. The reversal of 1113443152 is 2513443111.

It can be written as a sum of positive squares in 2 ways, for example, as 721244736 + 392198416 = 26856^2 + 19804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113443153) 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, 2046499 + ... + 2047042.

Almost surely, 2^1113443152 is an apocalyptic number.

It is an amenable number.

1113443152 is an abundant number, since it is smaller than the sum of its proper divisors (1170753284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113443152 is a wasteful number, since it uses less digits than its factorization.

1113443152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093566 (or 4093560 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1113443152 is about 33368.2956112535. The cubic root of 1113443152 is about 1036.4682816145.

Adding to 1113443152 its reverse (2513443111), we get a palindrome (3626886263).

The spelling of 1113443152 in words is "one billion, one hundred thirteen million, four hundred forty-three thousand, one hundred fifty-two".