155305241 has 8 divisors (see below), whose sum is σ = 191145024. Its totient is φ = 122878800.

The previous prime is 155305229. The next prime is 155305289. The reversal of 155305241 is 142503551.

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 155305241 - 2²² = 151110937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155305241.

It is not an unprimeable number, because it can be changed into a prime (155305291) 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, 853235 + ... + 853416.

It is an arithmetic number, because the mean of its divisors is an integer number (23893128).

Almost surely, 2^155305241 is an apocalyptic number.

It is an amenable number.

155305241 is a deficient number, since it is larger than the sum of its proper divisors (35839783).

155305241 is a wasteful number, since it uses less digits than its factorization.

155305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706671.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155305241 is about 12462.1523421919. The cubic root of 155305241 is about 537.5209190344.

Adding to 155305241 its reverse (142503551), we get a palindrome (297808792).

The spelling of 155305241 in words is "one hundred fifty-five million, three hundred five thousand, two hundred forty-one".