180141028 has 12 divisors (see below), whose sum is σ = 318497452. Its totient is φ = 89141760.

The previous prime is 180141023. The next prime is 180141029. The reversal of 180141028 is 820141081.

180141028 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32809984 + 147331044 = 5728^2 + 12138^2 .

180141028 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 180140993 and 180141011.

It is not an unprimeable number, because it can be changed into a prime (180141023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231753 + ... + 232528.

Almost surely, 2^180141028 is an apocalyptic number.

It is an amenable number.

180141028 is a deficient number, since it is larger than the sum of its proper divisors (138356424).

180141028 is a wasteful number, since it uses less digits than its factorization.

180141028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464382 (or 464380 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 180141028 is about 13421.6626391815. The cubic root of 180141028 is about 564.7690370893.

The spelling of 180141028 in words is "one hundred eighty million, one hundred forty-one thousand, twenty-eight".