112443640 has 16 divisors (see below), whose sum is σ = 252998280. Its totient is φ = 44977440.

The previous prime is 112443587. The next prime is 112443647. The reversal of 112443640 is 46344211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112443647) 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, 1405506 + ... + 1405585.

Almost surely, 2^112443640 is an apocalyptic number.

112443640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112443640 is an abundant number, since it is smaller than the sum of its proper divisors (140554640).

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

112443640 is a wasteful number, since it uses less digits than its factorization.

112443640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811102 (or 2811098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 112443640 is about 10603.9445490817. The cubic root of 112443640 is about 482.6640640493.

Adding to 112443640 its reverse (46344211), we get a palindrome (158787851).

It can be divided in two parts, 11244 and 3640, that added together give a square (14884 = 122²).

The spelling of 112443640 in words is "one hundred twelve million, four hundred forty-three thousand, six hundred forty".