4445112 has 32 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 1269984.

The previous prime is 4445099. The next prime is 4445113. The reversal of 4445112 is 2115444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445113) 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, 13062 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^4445112 is an apocalyptic number.

4445112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4445112 is an abundant number, since it is smaller than the sum of its proper divisors (8255688).

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

4445112 is a wasteful number, since it uses less digits than its factorization.

4445112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26475 (or 26471 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 4445112 is about 2108.3434255358. The cubic root of 4445112 is about 164.4223695445.

The spelling of 4445112 in words is "four million, four hundred forty-five thousand, one hundred twelve".