112145440 has 48 divisors (see below), whose sum is σ = 289033920. Its totient is φ = 40779520.

The previous prime is 112145417. The next prime is 112145441. The reversal of 112145440 is 44541211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (112145441) 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, 30100 + ... + 33619.

It is an arithmetic number, because the mean of its divisors is an integer number (6021540).

Almost surely, 2^112145440 is an apocalyptic number.

112145440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112145440 is an abundant number, since it is smaller than the sum of its proper divisors (176888480).

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

112145440 is a wasteful number, since it uses less digits than its factorization.

112145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63745 (or 63737 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 112145440 is about 10589.8744090759. The cubic root of 112145440 is about 482.2370120436.

Adding to 112145440 its reverse (44541211), we get a palindrome (156686651).

The spelling of 112145440 in words is "one hundred twelve million, one hundred forty-five thousand, four hundred forty".