1113432144 has 40 divisors (see below), whose sum is σ = 3137855712. Its totient is φ = 337403520.

The previous prime is 1113432143. The next prime is 1113432149. The reversal of 1113432144 is 4412343111.

It is a super-2 number, since 2×1113432144² = 2479462278584873472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113432143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053859 + ... + 1054914.

Almost surely, 2^1113432144 is an apocalyptic number.

It is an amenable number.

1113432144 is an abundant number, since it is smaller than the sum of its proper divisors (2024423568).

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

1113432144 is a wasteful number, since it uses less digits than its factorization.

1113432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108795 (or 2108789 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1113432144 is about 33368.1306638535. The cubic root of 1113432144 is about 1036.4648659393.

Adding to 1113432144 its reverse (4412343111), we get a palindrome (5525775255).

The spelling of 1113432144 in words is "one billion, one hundred thirteen million, four hundred thirty-two thousand, one hundred forty-four".