2146223030345 has 4 divisors (see below), whose sum is σ = 2575467636420. Its totient is φ = 1716978424272.

The previous prime is 2146223030327. The next prime is 2146223030363. The reversal of 2146223030345 is 5430303226412.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2146223030327) and next prime (2146223030363).

It can be written as a sum of positive squares in 2 ways, for example, as 808136273296 + 1338086757049 = 898964^2 + 1156757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146223030345 - 2⁸ = 2146223030089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214622303030 + ... + 214622303039.

It is an arithmetic number, because the mean of its divisors is an integer number (643866909105).

Almost surely, 2^{2146223030345} is an apocalyptic number.

It is an amenable number.

2146223030345 is a deficient number, since it is larger than the sum of its proper divisors (429244606075).

2146223030345 is an equidigital number, since it uses as much as digits as its factorization.

2146223030345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429244606074.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 2146223030345 its reverse (5430303226412), we get a palindrome (7576526256757).

The spelling of 2146223030345 in words is "two trillion, one hundred forty-six billion, two hundred twenty-three million, thirty thousand, three hundred forty-five".