2215141345 has 16 divisors (see below), whose sum is σ = 2793510720. Its totient is φ = 1684113984.

The previous prime is 2215141321. The next prime is 2215141367. The reversal of 2215141345 is 5431415122.

It is a cyclic number.

It is not a de Polignac number, because 2215141345 - 2¹⁹ = 2214617057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131275 + ... + 147184.

It is an arithmetic number, because the mean of its divisors is an integer number (174594420).

Almost surely, 2^2215141345 is an apocalyptic number.

It is an amenable number.

2215141345 is a deficient number, since it is larger than the sum of its proper divisors (578369375).

2215141345 is a wasteful number, since it uses less digits than its factorization.

2215141345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278544.

The product of its digits is 4800, while the sum is 28.

The square root of 2215141345 is about 47065.2881113034. The cubic root of 2215141345 is about 1303.5683707712.

Adding to 2215141345 its reverse (5431415122), we get a palindrome (7646556467).

The spelling of 2215141345 in words is "two billion, two hundred fifteen million, one hundred forty-one thousand, three hundred forty-five".