155384241 has 8 divisors (see below), whose sum is σ = 211997280. Its totient is φ = 101180352.

The previous prime is 155384239. The next prime is 155384293. The reversal of 155384241 is 142483551.

155384241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155384241 - 2¹ = 155384239 is a prime.

It is a super-2 number, since 2×155384241² = 48288524702292162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (155384221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602136 + ... + 602393.

It is an arithmetic number, because the mean of its divisors is an integer number (26499660).

Almost surely, 2^155384241 is an apocalyptic number.

It is an amenable number.

155384241 is a deficient number, since it is larger than the sum of its proper divisors (56613039).

155384241 is a wasteful number, since it uses less digits than its factorization.

155384241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204575.

The product of its digits is 19200, while the sum is 33.

The square root of 155384241 is about 12465.3215361658. The cubic root of 155384241 is about 537.6120448591.

The spelling of 155384241 in words is "one hundred fifty-five million, three hundred eighty-four thousand, two hundred forty-one".