2142224510345 has 4 divisors (see below), whose sum is σ = 2570669412420. Its totient is φ = 1713779608272.

The previous prime is 2142224510339. The next prime is 2142224510407. The reversal of 2142224510345 is 5430154222412.

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 1209060782329 + 933163728016 = 1099573^2 + 966004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142224510345 - 2⁶ = 2142224510281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214222451030 + ... + 214222451039.

It is an arithmetic number, because the mean of its divisors is an integer number (642667353105).

Almost surely, 2^{2142224510345} is an apocalyptic number.

It is an amenable number.

2142224510345 is a deficient number, since it is larger than the sum of its proper divisors (428444902075).

2142224510345 is an equidigital number, since it uses as much as digits as its factorization.

2142224510345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428444902074.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2142224510345 its reverse (5430154222412), we get a palindrome (7572378732757).

The spelling of 2142224510345 in words is "two trillion, one hundred forty-two billion, two hundred twenty-four million, five hundred ten thousand, three hundred forty-five".