4155144241 has 4 divisors (see below), whose sum is σ = 4289181184. Its totient is φ = 4021107300.

The previous prime is 4155144239. The next prime is 4155144247. The reversal of 4155144241 is 1424415514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4155144241 - 2¹ = 4155144239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 134036911 = 4155144241 / (4 + 1 + 5 + 5 + 1 + 4 + 4 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155144247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67018425 + ... + 67018486.

It is an arithmetic number, because the mean of its divisors is an integer number (1072295296).

Almost surely, 2^4155144241 is an apocalyptic number.

It is an amenable number.

4155144241 is a deficient number, since it is larger than the sum of its proper divisors (134036943).

4155144241 is a wasteful number, since it uses less digits than its factorization.

4155144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134036942.

The product of its digits is 12800, while the sum is 31.

The square root of 4155144241 is about 64460.4083216977. The cubic root of 4155144241 is about 1607.6643009820.

Adding to 4155144241 its reverse (1424415514), we get a palindrome (5579559755).

The spelling of 4155144241 in words is "four billion, one hundred fifty-five million, one hundred forty-four thousand, two hundred forty-one".