181463214 has 8 divisors (see below), whose sum is σ = 362926440. Its totient is φ = 60487736.

The previous prime is 181463159. The next prime is 181463221. The reversal of 181463214 is 412364181.

181463214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

181463214 is an admirable number.

It is a super-3 number, since 3×181463214³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15121929 + ... + 15121940.

It is an arithmetic number, because the mean of its divisors is an integer number (45365805).

Almost surely, 2^181463214 is an apocalyptic number.

181463214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

181463214 is a wasteful number, since it uses less digits than its factorization.

181463214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30243874.

The product of its digits is 4608, while the sum is 30.

The square root of 181463214 is about 13470.8282596134. The cubic root of 181463214 is about 566.1474204682.

The spelling of 181463214 in words is "one hundred eighty-one million, four hundred sixty-three thousand, two hundred fourteen".