180214421 has 8 divisors (see below), whose sum is σ = 181605888. Its totient is φ = 178828000.

The previous prime is 180214357. The next prime is 180214459. The reversal of 180214421 is 124412081.

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

It is a cyclic number.

It is not a de Polignac number, because 180214421 - 2⁶ = 180214357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180214481) 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 7 ways as a sum of consecutive naturals, for example, 98606 + ... + 100416.

It is an arithmetic number, because the mean of its divisors is an integer number (22700736).

Almost surely, 2^180214421 is an apocalyptic number.

It is an amenable number.

180214421 is a deficient number, since it is larger than the sum of its proper divisors (1391467).

180214421 is a wasteful number, since it uses less digits than its factorization.

180214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 180214421 is about 13424.3964855035. The cubic root of 180214421 is about 564.8457260155.

The spelling of 180214421 in words is "one hundred eighty million, two hundred fourteen thousand, four hundred twenty-one".