2145112 has 16 divisors (see below), whose sum is σ = 4131360. Its totient is φ = 1043424.

The previous prime is 2145109. The next prime is 2145113. The reversal of 2145112 is 2115412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (258210).

2^2145112 is an apocalyptic number.

It is an amenable number.

2145112 is a deficient number, since it is larger than the sum of its proper divisors (1986248).

2145112 is a wasteful number, since it uses less digits than its factorization.

2145112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7286 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 2145112 is about 1464.6200872581. The cubic root of 2145112 is about 128.9684036151.

The spelling of 2145112 in words is "two million, one hundred forty-five thousand, one hundred twelve".