155855141 has 8 divisors (see below), whose sum is σ = 168129024. Its totient is φ = 143622000.

The previous prime is 155855131. The next prime is 155855143. The reversal of 155855141 is 141558551.

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 155855141 - 2¹⁴ = 155838757 is a prime.

It is a super-2 number, since 2×155855141² = 48581649952259762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155855143) 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, 1985 + ... + 17766.

It is an arithmetic number, because the mean of its divisors is an integer number (21016128).

Almost surely, 2^155855141 is an apocalyptic number.

It is an amenable number.

155855141 is a deficient number, since it is larger than the sum of its proper divisors (12273883).

155855141 is a wasteful number, since it uses less digits than its factorization.

155855141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20371.

The product of its digits is 20000, while the sum is 35.

The square root of 155855141 is about 12484.1956488995. The cubic root of 155855141 is about 538.1545842232.

The spelling of 155855141 in words is "one hundred fifty-five million, eight hundred fifty-five thousand, one hundred forty-one".