2155442035 has 4 divisors (see below), whose sum is σ = 2586530448. Its totient is φ = 1724353624.

The previous prime is 2155442017. The next prime is 2155442057. The reversal of 2155442035 is 5302445512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2155442035 - 2¹⁹ = 2154917747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155441988 and 2155442006.

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, 215544199 + ... + 215544208.

It is an arithmetic number, because the mean of its divisors is an integer number (646632612).

Almost surely, 2^2155442035 is an apocalyptic number.

2155442035 is a deficient number, since it is larger than the sum of its proper divisors (431088413).

2155442035 is an equidigital number, since it uses as much as digits as its factorization.

2155442035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431088412.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2155442035 is about 46426.7383627151. The cubic root of 2155442035 is about 1291.7509294642.

Adding to 2155442035 its reverse (5302445512), we get a palindrome (7457887547).

The spelling of 2155442035 in words is "two billion, one hundred fifty-five million, four hundred forty-two thousand, thirty-five".