18342141 has 16 divisors (see below), whose sum is σ = 24956160. Its totient is φ = 11980800.

The previous prime is 18342131. The next prime is 18342143. The reversal of 18342141 is 14124381.

It is not a de Polignac number, because 18342141 - 2⁷ = 18342013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18342143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45541 + ... + 45941.

It is an arithmetic number, because the mean of its divisors is an integer number (1559760).

Almost surely, 2^18342141 is an apocalyptic number.

It is an amenable number.

18342141 is a deficient number, since it is larger than the sum of its proper divisors (6614019).

18342141 is a wasteful number, since it uses less digits than its factorization.

18342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 768, while the sum is 24.

The square root of 18342141 is about 4282.7725832689. The cubic root of 18342141 is about 263.7242155637.

It can be divided in two parts, 183 and 42141, that added together give a palindrome (42324).

The spelling of 18342141 in words is "eighteen million, three hundred forty-two thousand, one hundred forty-one".