180225856 has 14 divisors (see below), whose sum is σ = 357635810. Its totient is φ = 90112896.

The previous prime is 180225839. The next prime is 180225911. The reversal of 180225856 is 658522081.

It can be written as a sum of positive squares in only one way, i.e., 179560000 + 665856 = 13400^2 + 816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407951 + ... + 1408078.

It is an arithmetic number, because the mean of its divisors is an integer number (25545415).

Almost surely, 2^180225856 is an apocalyptic number.

180225856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180225856 is a deficient number, since it is larger than the sum of its proper divisors (177409954).

180225856 is an equidigital number, since it uses as much as digits as its factorization.

180225856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816041 (or 2816031 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 180225856 is about 13424.8223824377. The cubic root of 180225856 is about 564.8576726626.

The spelling of 180225856 in words is "one hundred eighty million, two hundred twenty-five thousand, eight hundred fifty-six".