2345243165 has 4 divisors (see below), whose sum is σ = 2814291804. Its totient is φ = 1876194528.

The previous prime is 2345243161. The next prime is 2345243191. The reversal of 2345243165 is 5613425432.

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 1168135684 + 1177107481 = 34178^2 + 34309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345243165 - 2² = 2345243161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345243161) 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, 234524312 + ... + 234524321.

It is an arithmetic number, because the mean of its divisors is an integer number (703572951).

Almost surely, 2^2345243165 is an apocalyptic number.

It is an amenable number.

2345243165 is a deficient number, since it is larger than the sum of its proper divisors (469048639).

2345243165 is an equidigital number, since it uses as much as digits as its factorization.

2345243165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469048638.

The product of its digits is 86400, while the sum is 35.

The square root of 2345243165 is about 48427.7107140117. The cubic root of 2345243165 is about 1328.6052359659.

Adding to 2345243165 its reverse (5613425432), we get a palindrome (7958668597).

The spelling of 2345243165 in words is "two billion, three hundred forty-five million, two hundred forty-three thousand, one hundred sixty-five".