2140145 has 16 divisors (see below), whose sum is σ = 2999808. Its totient is φ = 1435200.

The previous prime is 2140139. The next prime is 2140157. The reversal of 2140145 is 5410412.

2140145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2140145 - 2⁴ = 2140129 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 995 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^2140145 is an apocalyptic number.

It is an amenable number.

2140145 is a deficient number, since it is larger than the sum of its proper divisors (859663).

2140145 is a wasteful number, since it uses less digits than its factorization.

2140145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2140145 is about 1462.9234429730. The cubic root of 2140145 is about 128.8687847106.

Adding to 2140145 its reverse (5410412), we get a palindrome (7550557).

The spelling of 2140145 in words is "two million, one hundred forty thousand, one hundred forty-five".