181314456 has 32 divisors (see below), whose sum is σ = 454474800. Its totient is φ = 60279680.

The previous prime is 181314439. The next prime is 181314461. The reversal of 181314456 is 654413181.

181314456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 19046.

Almost surely, 2^181314456 is an apocalyptic number.

It is an amenable number.

181314456 is an abundant number, since it is smaller than the sum of its proper divisors (273160344).

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

181314456 is a wasteful number, since it uses less digits than its factorization.

181314456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19819 (or 19815 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 181314456 is about 13465.3056407940. The cubic root of 181314456 is about 565.9926747211.

The spelling of 181314456 in words is "one hundred eighty-one million, three hundred fourteen thousand, four hundred fifty-six".