180228177 has 6 divisors (see below), whose sum is σ = 260329602. Its totient is φ = 120152112.

The previous prime is 180228163. The next prime is 180228187. The reversal of 180228177 is 771822081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 179989056 + 239121 = 13416^2 + 489^2 .

It is not a de Polignac number, because 180228177 - 2¹² = 180224081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180228157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10012668 + ... + 10012685.

It is an arithmetic number, because the mean of its divisors is an integer number (43388267).

Almost surely, 2^180228177 is an apocalyptic number.

It is an amenable number.

180228177 is a deficient number, since it is larger than the sum of its proper divisors (80101425).

180228177 is a wasteful number, since it uses less digits than its factorization.

180228177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025359 (or 20025356 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 180228177 is about 13424.9088265060. The cubic root of 180228177 is about 564.8600974516.

The spelling of 180228177 in words is "one hundred eighty million, two hundred twenty-eight thousand, one hundred seventy-seven".