4545112 has 64 divisors (see below), whose sum is σ = 10432800. Its totient is φ = 1827840.

The previous prime is 4545109. The next prime is 4545113. The reversal of 4545112 is 2115454.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33108 + ... + 33244.

Almost surely, 2^4545112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5216400).

4545112 is an abundant number, since it is smaller than the sum of its proper divisors (5887688).

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

4545112 is a wasteful number, since it uses less digits than its factorization.

4545112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 4545112 is about 2131.9268280126. The cubic root of 4545112 is about 165.6462199939.

The spelling of 4545112 in words is "four million, five hundred forty-five thousand, one hundred twelve".