2145134212226 has 8 divisors (see below), whose sum is σ = 3217707539964. Its totient is φ = 1072565032240.

The previous prime is 2145134212219. The next prime is 2145134212301. The reversal of 2145134212226 is 6222124315412.

It can be written as a sum of positive squares in 2 ways, for example, as 2145067806025 + 66406201 = 1464605^2 + 8149^2 .

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

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, 1426196 + ... + 2514816.

Almost surely, 2^{2145134212226} is an apocalyptic number.

2145134212226 is a deficient number, since it is larger than the sum of its proper divisors (1072573327738).

2145134212226 is a wasteful number, since it uses less digits than its factorization.

2145134212226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073876.

The product of its digits is 46080, while the sum is 35.

Adding to 2145134212226 its reverse (6222124315412), we get a palindrome (8367258527638).

The spelling of 2145134212226 in words is "two trillion, one hundred forty-five billion, one hundred thirty-four million, two hundred twelve thousand, two hundred twenty-six".