18054142 has 8 divisors (see below), whose sum is σ = 28506600. Its totient is φ = 8551944.

The previous prime is 18054137. The next prime is 18054163. The reversal of 18054142 is 24145081.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237517 + ... + 237592.

It is an arithmetic number, because the mean of its divisors is an integer number (3563325).

Almost surely, 2^18054142 is an apocalyptic number.

18054142 is a deficient number, since it is larger than the sum of its proper divisors (10452458).

18054142 is a wasteful number, since it uses less digits than its factorization.

18054142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475130.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 18054142 is about 4249.0165921069. The cubic root of 18054142 is about 262.3366397033.

The spelling of 18054142 in words is "eighteen million, fifty-four thousand, one hundred forty-two".