2145104112 has 20 divisors (see below), whose sum is σ = 5541519080. Its totient is φ = 715034688.

The previous prime is 2145104107. The next prime is 2145104153. The reversal of 2145104112 is 2114015412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22344787 + ... + 22344882.

It is an arithmetic number, because the mean of its divisors is an integer number (277075954).

Almost surely, 2^2145104112 is an apocalyptic number.

It is an amenable number.

2145104112 is an abundant number, since it is smaller than the sum of its proper divisors (3396414968).

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

2145104112 is a wasteful number, since it uses less digits than its factorization.

2145104112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44689680 (or 44689674 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2145104112 is about 46315.2686702776. The cubic root of 2145104112 is about 1289.6824553416.

Adding to 2145104112 its reverse (2114015412), we get a palindrome (4259119524).

The spelling of 2145104112 in words is "two billion, one hundred forty-five million, one hundred four thousand, one hundred twelve".