155134241 has 4 divisors (see below), whose sum is σ = 161879232. Its totient is φ = 148389252.

The previous prime is 155134237. The next prime is 155134267. The reversal of 155134241 is 142431551.

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 155134241 - 2² = 155134237 is a prime.

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 155134241.

It is not an unprimeable number, because it can be changed into a prime (155133241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372461 + ... + 3372506.

It is an arithmetic number, because the mean of its divisors is an integer number (40469808).

Almost surely, 2^155134241 is an apocalyptic number.

It is an amenable number.

155134241 is a deficient number, since it is larger than the sum of its proper divisors (6744991).

155134241 is an equidigital number, since it uses as much as digits as its factorization.

155134241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744990.

The product of its digits is 2400, while the sum is 26.

The square root of 155134241 is about 12455.2896794896. The cubic root of 155134241 is about 537.3235661050.

Adding to 155134241 its reverse (142431551), we get a palindrome (297565792).

The spelling of 155134241 in words is "one hundred fifty-five million, one hundred thirty-four thousand, two hundred forty-one".