180225156 has 12 divisors (see below), whose sum is σ = 420525392. Its totient is φ = 60075048.

The previous prime is 180225131. The next prime is 180225181. The reversal of 180225156 is 651522081.

It is an interprime number because it is at equal distance from previous prime (180225131) and next prime (180225181).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×180225156² = 64962213710448672, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7509370 + ... + 7509393.

Almost surely, 2^180225156 is an apocalyptic number.

It is an amenable number.

180225156 is an abundant number, since it is smaller than the sum of its proper divisors (240300236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180225156 is a wasteful number, since it uses less digits than its factorization.

180225156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018770 (or 15018768 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 180225156 is about 13424.7963113039. The cubic root of 180225156 is about 564.8569413563.

The spelling of 180225156 in words is "one hundred eighty million, two hundred twenty-five thousand, one hundred fifty-six".