18145710 has 48 divisors (see below), whose sum is σ = 51470640. Its totient is φ = 4398720.

The previous prime is 18145697. The next prime is 18145711. The reversal of 18145710 is 1754181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18145711) 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, 8175 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (1072305).

Almost surely, 2^18145710 is an apocalyptic number.

18145710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18145710 is an abundant number, since it is smaller than the sum of its proper divisors (33324930).

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

18145710 is a wasteful number, since it uses less digits than its factorization.

18145710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353 (or 18350 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 18145710 is about 4259.7781632381. The cubic root of 18145710 is about 262.7794031799.

Adding to 18145710 its reverse (1754181), we get a palindrome (19899891).

The spelling of 18145710 in words is "eighteen million, one hundred forty-five thousand, seven hundred ten".