2115152245 has 4 divisors (see below), whose sum is σ = 2538182700. Its totient is φ = 1692121792.

The previous prime is 2115152231. The next prime is 2115152309. The reversal of 2115152245 is 5422515112.

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 613899729 + 1501252516 = 24777^2 + 38746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115152245 - 2⁵ = 2115152213 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 211515220 + ... + 211515229.

It is an arithmetic number, because the mean of its divisors is an integer number (634545675).

Almost surely, 2^2115152245 is an apocalyptic number.

It is an amenable number.

2115152245 is a deficient number, since it is larger than the sum of its proper divisors (423030455).

2115152245 is an equidigital number, since it uses as much as digits as its factorization.

2115152245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423030454.

The product of its digits is 4000, while the sum is 28.

The square root of 2115152245 is about 45990.7843486062. The cubic root of 2115152245 is about 1283.6517312342.

Adding to 2115152245 its reverse (5422515112), we get a palindrome (7537667357).

The spelling of 2115152245 in words is "two billion, one hundred fifteen million, one hundred fifty-two thousand, two hundred forty-five".