155384945131 has 8 divisors (see below), whose sum is σ = 167356808640. Its totient is φ = 143415820992.

The previous prime is 155384945129. The next prime is 155384945213. The reversal of 155384945131 is 131549483551.

155384945131 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 a cyclic number.

It is not a de Polignac number, because 155384945131 - 2¹ = 155384945129 is a prime.

It is a super-2 number, since 2×155384945131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155384945231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566266 + ... + 794623.

It is an arithmetic number, because the mean of its divisors is an integer number (20919601080).

Almost surely, 2^155384945131 is an apocalyptic number.

155384945131 is a deficient number, since it is larger than the sum of its proper divisors (11971863509).

155384945131 is a wasteful number, since it uses less digits than its factorization.

155384945131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369685.

The product of its digits is 1296000, while the sum is 49.

The spelling of 155384945131 in words is "one hundred fifty-five billion, three hundred eighty-four million, nine hundred forty-five thousand, one hundred thirty-one".