180228142 has 8 divisors (see below), whose sum is σ = 270556776. Its totient is φ = 90042552.

The previous prime is 180228133. The next prime is 180228157. The reversal of 180228142 is 241822081.

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

It is a self number, because there is not a number n which added to its sum of digits gives 180228142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32553 + ... + 37684.

It is an arithmetic number, because the mean of its divisors is an integer number (33819597).

Almost surely, 2^180228142 is an apocalyptic number.

180228142 is a deficient number, since it is larger than the sum of its proper divisors (90328634).

180228142 is a wasteful number, since it uses less digits than its factorization.

180228142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71522.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 180228142 is about 13424.9075229590. The cubic root of 180228142 is about 564.8600608867.

The spelling of 180228142 in words is "one hundred eighty million, two hundred twenty-eight thousand, one hundred forty-two".