18145326 has 8 divisors (see below), whose sum is σ = 36290664. Its totient is φ = 6048440.

The previous prime is 18145319. The next prime is 18145327. The reversal of 18145326 is 62354181.

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

18145326 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18145293 and 18145302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18145327) 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, 1512105 + ... + 1512116.

It is an arithmetic number, because the mean of its divisors is an integer number (4536333).

Almost surely, 2^18145326 is an apocalyptic number.

18145326 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.

18145326 is a wasteful number, since it uses less digits than its factorization.

18145326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024226.

The product of its digits is 5760, while the sum is 30.

The square root of 18145326 is about 4259.7330902300. The cubic root of 18145326 is about 262.7775495186. Note that the first 3 decimals are identical.

It can be divided in two parts, 1814 and 5326, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 18145326 in words is "eighteen million, one hundred forty-five thousand, three hundred twenty-six".