18119345 has 24 divisors (see below), whose sum is σ = 23412480. Its totient is φ = 13446720.

The previous prime is 18119341. The next prime is 18119351. The reversal of 18119345 is 54391181.

It is not a de Polignac number, because 18119345 - 2² = 18119341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18119341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130286 + ... + 130424.

It is an arithmetic number, because the mean of its divisors is an integer number (975520).

Almost surely, 2^18119345 is an apocalyptic number.

It is an amenable number.

18119345 is a deficient number, since it is larger than the sum of its proper divisors (5293135).

18119345 is a wasteful number, since it uses less digits than its factorization.

18119345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 204 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 18119345 is about 4256.6823936019. The cubic root of 18119345 is about 262.6520721261.

The spelling of 18119345 in words is "eighteen million, one hundred nineteen thousand, three hundred forty-five".