2146145 has 24 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 1532160.

The previous prime is 2146141. The next prime is 2146159. The reversal of 2146145 is 5416412.

2146145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 2140369 = 76^2 + 1463^2 .

It is not a de Polignac number, because 2146145 - 2² = 2146141 is a prime.

It is a super-2 number, since 2×2146145² = 9211876722050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2146145.

It is not an unprimeable number, because it can be changed into a prime (2146141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52325 + ... + 52365.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2^2146145 is an apocalyptic number.

It is an amenable number.

2146145 is a deficient number, since it is larger than the sum of its proper divisors (734215).

2146145 is a wasteful number, since it uses less digits than its factorization.

2146145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 94 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2146145 is about 1464.9726959913. The cubic root of 2146145 is about 128.9891022984.

The spelling of 2146145 in words is "two million, one hundred forty-six thousand, one hundred forty-five".