2064145 has 8 divisors (see below), whose sum is σ = 2537640. Its totient is φ = 1610880.

The previous prime is 2064143. The next prime is 2064149. The reversal of 2064145 is 5414602.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 2047761 = 128^2 + 1431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2064145 - 2¹ = 2064143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2064143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4830 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (317205).

2^2064145 is an apocalyptic number.

It is an amenable number.

2064145 is a deficient number, since it is larger than the sum of its proper divisors (473495).

2064145 is a wasteful number, since it uses less digits than its factorization.

2064145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2064145 is about 1436.7132629721. The cubic root of 2064145 is about 127.3249166761.

Adding to 2064145 its reverse (5414602), we get a palindrome (7478747).

It can be divided in two parts, 2064 and 145, that added together give a square (2209 = 47²).

The spelling of 2064145 in words is "two million, sixty-four thousand, one hundred forty-five".