112445440 has 96 divisors (see below), whose sum is σ = 275184000. Its totient is φ = 44089344.

The previous prime is 112445393. The next prime is 112445449. The reversal of 112445440 is 44544211.

It is not an unprimeable number, because it can be changed into a prime (112445449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808891 + ... + 809029.

It is an arithmetic number, because the mean of its divisors is an integer number (2866500).

Almost surely, 2^112445440 is an apocalyptic number.

112445440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137592000).

112445440 is an abundant number, since it is smaller than the sum of its proper divisors (162738560).

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

112445440 is an equidigital number, since it uses as much as digits as its factorization.

112445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 112445440 is about 10604.0294228185. The cubic root of 112445440 is about 482.6666395341. Note that the first 4 decimals are identical.

Adding to 112445440 its reverse (44544211), we get a palindrome (156989651).

It can be divided in two parts, 1124 and 45440, that added together give a palindrome (46564).

The spelling of 112445440 in words is "one hundred twelve million, four hundred forty-five thousand, four hundred forty".