155440312134241 has 8 divisors (see below), whose sum is σ = 156011409579168. Its totient is φ = 154870259700000.

The previous prime is 155440312134203. The next prime is 155440312134259. The reversal of 155440312134241 is 142431213044551.

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 155440312134241 - 2¹⁹ = 155440311609953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155440312134194 and 155440312134203.

It is not an unprimeable number, because it can be changed into a prime (155440312134941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260954635 + ... + 261549616.

It is an arithmetic number, because the mean of its divisors is an integer number (19501426197396).

Almost surely, 2^{155440312134241} is an apocalyptic number.

It is an amenable number.

155440312134241 is a deficient number, since it is larger than the sum of its proper divisors (571097444927).

155440312134241 is an equidigital number, since it uses as much as digits as its factorization.

155440312134241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522505343.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 155440312134241 its reverse (142431213044551), we get a palindrome (297871525178792).

The spelling of 155440312134241 in words is "one hundred fifty-five trillion, four hundred forty billion, three hundred twelve million, one hundred thirty-four thousand, two hundred forty-one".