2153442115 has 16 divisors (see below), whose sum is σ = 2846428416. Its totient is φ = 1550930400.

The previous prime is 2153442113. The next prime is 2153442127. The reversal of 2153442115 is 5112443512.

It is not a de Polignac number, because 2153442115 - 2¹ = 2153442113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153442113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184401 + ... + 195730.

It is an arithmetic number, because the mean of its divisors is an integer number (177901776).

Almost surely, 2^2153442115 is an apocalyptic number.

2153442115 is a deficient number, since it is larger than the sum of its proper divisors (692986301).

2153442115 is a wasteful number, since it uses less digits than its factorization.

2153442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380250.

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

The square root of 2153442115 is about 46405.1949139318. The cubic root of 2153442115 is about 1291.3512901809.

Adding to 2153442115 its reverse (5112443512), we get a palindrome (7265885627).

The spelling of 2153442115 in words is "two billion, one hundred fifty-three million, four hundred forty-two thousand, one hundred fifteen".