2114815445 has 4 divisors (see below), whose sum is σ = 2537778540. Its totient is φ = 1691852352.

The previous prime is 2114815441. The next prime is 2114815447. The reversal of 2114815445 is 5445184112.

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 851297329 + 1263518116 = 29177^2 + 35546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114815445 - 2² = 2114815441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114815441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211481540 + ... + 211481549.

It is an arithmetic number, because the mean of its divisors is an integer number (634444635).

Almost surely, 2^2114815445 is an apocalyptic number.

It is an amenable number.

2114815445 is a deficient number, since it is larger than the sum of its proper divisors (422963095).

2114815445 is an equidigital number, since it uses as much as digits as its factorization.

2114815445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422963094.

The product of its digits is 25600, while the sum is 35.

The square root of 2114815445 is about 45987.1225997018. The cubic root of 2114815445 is about 1283.5835947910.

Adding to 2114815445 its reverse (5445184112), we get a palindrome (7559999557).

The spelling of 2114815445 in words is "two billion, one hundred fourteen million, eight hundred fifteen thousand, four hundred forty-five".