18144350 has 48 divisors (see below), whose sum is σ = 39426048. Its totient is φ = 6083040.

The previous prime is 18144317. The next prime is 18144353. The reversal of 18144350 is 5344181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18144353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15899 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (821376).

Almost surely, 2^18144350 is an apocalyptic number.

18144350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18144350 is an abundant number, since it is smaller than the sum of its proper divisors (21281698).

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

18144350 is a wasteful number, since it uses less digits than its factorization.

18144350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18144350 is about 4259.6185275210. The cubic root of 18144350 is about 262.7728380117.

It can be divided in two parts, 18144 and 350, that multiplied together give a square (6350400 = 2520²).

The spelling of 18144350 in words is "eighteen million, one hundred forty-four thousand, three hundred fifty".