18141542 has 8 divisors (see below), whose sum is σ = 28644600. Its totient is φ = 8593344.

The previous prime is 18141521. The next prime is 18141547. The reversal of 18141542 is 24514181.

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

It is a super-3 number, since 3×18141542³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18141547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238667 + ... + 238742.

It is an arithmetic number, because the mean of its divisors is an integer number (3580575).

Almost surely, 2^18141542 is an apocalyptic number.

18141542 is a deficient number, since it is larger than the sum of its proper divisors (10503058).

18141542 is a wasteful number, since it uses less digits than its factorization.

18141542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477430.

The product of its digits is 1280, while the sum is 26.

The square root of 18141542 is about 4259.2889077873. The cubic root of 18141542 is about 262.7592818322.

The spelling of 18141542 in words is "eighteen million, one hundred forty-one thousand, five hundred forty-two".