155135241 has 12 divisors (see below), whose sum is σ = 224234868. Its totient is φ = 103353984.

The previous prime is 155135237. The next prime is 155135243. The reversal of 155135241 is 142531551.

155135241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34047225 + 121088016 = 5835^2 + 11004^2 .

It is not a de Polignac number, because 155135241 - 2² = 155135237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155135243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10861 + ... + 20693.

It is an arithmetic number, because the mean of its divisors is an integer number (18686239).

Almost surely, 2^155135241 is an apocalyptic number.

It is an amenable number.

155135241 is a deficient number, since it is larger than the sum of its proper divisors (69099627).

155135241 is a wasteful number, since it uses less digits than its factorization.

155135241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592 (or 11589 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155135241 is about 12455.3298230115. The cubic root of 155135241 is about 537.3247206372.

Adding to 155135241 its reverse (142531551), we get a palindrome (297666792).

The spelling of 155135241 in words is "one hundred fifty-five million, one hundred thirty-five thousand, two hundred forty-one".