18675445 has 8 divisors (see below), whose sum is σ = 22628736. Its totient is φ = 14794896.

The previous prime is 18675439. The next prime is 18675457. The reversal of 18675445 is 54457681.

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 18675445 - 2⁵ = 18675413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18675398 and 18675407.

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, 17617 + ... + 18646.

It is an arithmetic number, because the mean of its divisors is an integer number (2828592).

Almost surely, 2^18675445 is an apocalyptic number.

It is an amenable number.

18675445 is a deficient number, since it is larger than the sum of its proper divisors (3953291).

18675445 is a wasteful number, since it uses less digits than its factorization.

18675445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36371.

The product of its digits is 134400, while the sum is 40.

The square root of 18675445 is about 4321.5095742113. The cubic root of 18675445 is about 265.3120567366.

The spelling of 18675445 in words is "eighteen million, six hundred seventy-five thousand, four hundred forty-five".