2442155 has 8 divisors (see below), whose sum is σ = 2942352. Its totient is φ = 1945888.

The previous prime is 2442151. The next prime is 2442173. The reversal of 2442155 is 5512442.

It is a happy number.

2442155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2442155 - 2² = 2442151 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 4⁶ + 4⁹ + 2²¹ + 1 + 5³ + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442155.

It is not an unprimeable number, because it can be changed into a prime (2442151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (367794).

2^2442155 is an apocalyptic number.

2442155 is a deficient number, since it is larger than the sum of its proper divisors (500197).

2442155 is a wasteful number, since it uses less digits than its factorization.

2442155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its digits is 1600, while the sum is 23.

The square root of 2442155 is about 1562.7395816322. The cubic root of 2442155 is about 134.6659321214.

Adding to 2442155 its reverse (5512442), we get a palindrome (7954597).

The spelling of 2442155 in words is "two million, four hundred forty-two thousand, one hundred fifty-five".