2145214264161 has 8 divisors (see below), whose sum is σ = 2860358404320. Its totient is φ = 1430106483392.

The previous prime is 2145214264139. The next prime is 2145214264199. The reversal of 2145214264161 is 1614624125412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145214264161 - 2⁶ = 2145214264097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145214264861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951880 + ... + 9188393.

It is an arithmetic number, because the mean of its divisors is an integer number (357544800540).

Almost surely, 2^{2145214264161} is an apocalyptic number.

It is an amenable number.

2145214264161 is a deficient number, since it is larger than the sum of its proper divisors (715144140159).

2145214264161 is a wasteful number, since it uses less digits than its factorization.

2145214264161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18179695.

The product of its digits is 92160, while the sum is 39.

Adding to 2145214264161 its reverse (1614624125412), we get a palindrome (3759838389573).

The spelling of 2145214264161 in words is "two trillion, one hundred forty-five billion, two hundred fourteen million, two hundred sixty-four thousand, one hundred sixty-one".