18149414 has 8 divisors (see below), whose sum is σ = 27530280. Its totient is φ = 8972656.

The previous prime is 18149407. The next prime is 18149437. The reversal of 18149414 is 41494181.

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

It is an alternating number because its digits alternate between odd and even.

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, 50804 + ... + 51159.

It is an arithmetic number, because the mean of its divisors is an integer number (3441285).

Almost surely, 2^18149414 is an apocalyptic number.

18149414 is a deficient number, since it is larger than the sum of its proper divisors (9380866).

18149414 is a wasteful number, since it uses less digits than its factorization.

18149414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102054.

The product of its digits is 4608, while the sum is 32.

The square root of 18149414 is about 4260.2129054778. The cubic root of 18149414 is about 262.7972819456.

The spelling of 18149414 in words is "eighteen million, one hundred forty-nine thousand, four hundred fourteen".