2145446112 has 48 divisors (see below), whose sum is σ = 5634210960. Its totient is φ = 714842112.

The previous prime is 2145446111. The next prime is 2145446117. The reversal of 2145446112 is 2116445412.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2145446112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145446111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382464 + ... + 388032.

It is an arithmetic number, because the mean of its divisors is an integer number (117379395).

Almost surely, 2^2145446112 is an apocalyptic number.

It is an amenable number.

2145446112 is an abundant number, since it is smaller than the sum of its proper divisors (3488764848).

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

2145446112 is a wasteful number, since it uses less digits than its factorization.

2145446112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595 (or 9587 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 2145446112 is about 46318.9606101001. The cubic root of 2145446112 is about 1289.7509909369.

The spelling of 2145446112 in words is "two billion, one hundred forty-five million, four hundred forty-six thousand, one hundred twelve".