480155181 has 8 divisors (see below), whose sum is σ = 698407584. Its totient is φ = 291003120.

The previous prime is 480155177. The next prime is 480155201. The reversal of 480155181 is 181551084.

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

It is not a de Polignac number, because 480155181 - 2² = 480155177 is a prime.

It is a super-2 number, since 2×480155181² = 461097995682285522, 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 a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 14550157 = 480155181 / (4 + 8 + 0 + 1 + 5 + 5 + 1 + 8 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480155101) 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, 7275046 + ... + 7275111.

It is an arithmetic number, because the mean of its divisors is an integer number (87300948).

Almost surely, 2^480155181 is an apocalyptic number.

It is an amenable number.

480155181 is a deficient number, since it is larger than the sum of its proper divisors (218252403).

480155181 is a wasteful number, since it uses less digits than its factorization.

480155181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550171.

The product of its (nonzero) digits is 6400, while the sum is 33.

The square root of 480155181 is about 21912.4435196078. The cubic root of 480155181 is about 783.0578959586.

The spelling of 480155181 in words is "four hundred eighty million, one hundred fifty-five thousand, one hundred eighty-one".