181600045 has 8 divisors (see below), whose sum is σ = 237731040. Its totient is φ = 132072720.

The previous prime is 181600031. The next prime is 181600063. The reversal of 181600045 is 540006181.

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

It is not a de Polignac number, because 181600045 - 2⁹ = 181599533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 181599992 and 181600019.

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, 1650855 + ... + 1650964.

It is an arithmetic number, because the mean of its divisors is an integer number (29716380).

Almost surely, 2^181600045 is an apocalyptic number.

It is an amenable number.

181600045 is a deficient number, since it is larger than the sum of its proper divisors (56130995).

181600045 is a wasteful number, since it uses less digits than its factorization.

181600045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301835.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 181600045 is about 13475.9060919851. The cubic root of 181600045 is about 566.2896844807.

The spelling of 181600045 in words is "one hundred eighty-one million, six hundred thousand, forty-five".