2340145 has 4 divisors (see below), whose sum is σ = 2808180. Its totient is φ = 1872112.

The previous prime is 2340133. The next prime is 2340167. The reversal of 2340145 is 5410432.

2340145 = T₉₆₅ + T₉₆₆ + ... + T₉₆₉.

2340145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 772641 + 1567504 = 879^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340145 - 2¹¹ = 2338097 is a prime.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 234010 + ... + 234019.

It is an arithmetic number, because the mean of its divisors is an integer number (702045).

2^2340145 is an apocalyptic number.

It is an amenable number.

2340145 is a deficient number, since it is larger than the sum of its proper divisors (468035).

2340145 is an equidigital number, since it uses as much as digits as its factorization.

2340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468034.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2340145 is about 1529.7532480763. The cubic root of 2340145 is about 132.7641815930.

Adding to 2340145 its reverse (5410432), we get a palindrome (7750577).

It can be divided in two parts, 2340 and 145, that added together give a triangular number (2485 = T₇₀).

The spelling of 2340145 in words is "two million, three hundred forty thousand, one hundred forty-five".