181675045 has 8 divisors (see below), whose sum is σ = 227488896. Its totient is φ = 139020816.

The previous prime is 181675037. The next prime is 181675057. The reversal of 181675045 is 540576181.

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 181675045 - 2³ = 181675037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 181674995 and 181675013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789777 + ... + 790006.

It is an arithmetic number, because the mean of its divisors is an integer number (28436112).

Almost surely, 2^181675045 is an apocalyptic number.

It is an amenable number.

181675045 is a deficient number, since it is larger than the sum of its proper divisors (45813851).

181675045 is a wasteful number, since it uses less digits than its factorization.

181675045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579811.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 181675045 is about 13478.6885489650. The cubic root of 181675045 is about 566.3676321133.

The spelling of 181675045 in words is "one hundred eighty-one million, six hundred seventy-five thousand, forty-five".