18145210 has 16 divisors (see below), whose sum is σ = 32712192. Its totient is φ = 7246800.

The previous prime is 18145181. The next prime is 18145219. The reversal of 18145210 is 1254181.

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

It is not an unprimeable number, because it can be changed into a prime (18145219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8995 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (2044512).

Almost surely, 2^18145210 is an apocalyptic number.

18145210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18145210 is a deficient number, since it is larger than the sum of its proper divisors (14566982).

18145210 is a wasteful number, since it uses less digits than its factorization.

18145210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18145210 is about 4259.7194743316. The cubic root of 18145210 is about 262.7769895533.

Adding to 18145210 its reverse (1254181), we get a palindrome (19399391).

The spelling of 18145210 in words is "eighteen million, one hundred forty-five thousand, two hundred ten".