18255342 has 48 divisors (see below), whose sum is σ = 43863552. Its totient is φ = 5045040.

The previous prime is 18255337. The next prime is 18255343. The reversal of 18255342 is 24355281.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18255343) 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, 8113 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (913824).

Almost surely, 2^18255342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18255342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21931776).

18255342 is an abundant number, since it is smaller than the sum of its proper divisors (25608210).

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

18255342 is a wasteful number, since it uses less digits than its factorization.

18255342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2046 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 18255342 is about 4272.6270607204. The cubic root of 18255342 is about 263.3075575191.

The spelling of 18255342 in words is "eighteen million, two hundred fifty-five thousand, three hundred forty-two".