155241 has 12 divisors (see below), whose sum is σ = 229632. Its totient is φ = 101016.

The previous prime is 155231. The next prime is 155251. The reversal of 155241 is 142551.

It is an interprime number because it is at equal distance from previous prime (155231) and next prime (155251).

It is not a de Polignac number, because 155241 - 2⁵ = 155209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155201) 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, 240 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (19136).

2¹⁵⁵²⁴¹ is an apocalyptic number.

It is an amenable number.

155241 is a deficient number, since it is larger than the sum of its proper divisors (74391).

155241 is a wasteful number, since it uses less digits than its factorization.

155241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 417 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 155241 is about 394.0063451266. The cubic root of 155241 is about 53.7446794806.

Adding to 155241 its reverse (142551), we get a palindrome (297792).

The spelling of 155241 in words is "one hundred fifty-five thousand, two hundred forty-one".