18103002 has 8 divisors (see below), whose sum is σ = 36206016. Its totient is φ = 6034332.

The previous prime is 18102983. The next prime is 18103003. The reversal of 18103002 is 20030181.

It is a happy number.

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

18103002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18103003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508578 + ... + 1508589.

It is an arithmetic number, because the mean of its divisors is an integer number (4525752).

Almost surely, 2^18103002 is an apocalyptic number.

18103002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18103002 is a wasteful number, since it uses less digits than its factorization.

18103002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017172.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 18103002 is about 4254.7622730301. The cubic root of 18103002 is about 262.5730807860.

Adding to 18103002 its reverse (20030181), we get a palindrome (38133183).

The spelling of 18103002 in words is "eighteen million, one hundred three thousand, two".