18542162 has 4 divisors (see below), whose sum is σ = 27813246. Its totient is φ = 9271080.

The previous prime is 18542129. The next prime is 18542201. The reversal of 18542162 is 26124581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26124581 = 7 ⋅3732083.

It can be written as a sum of positive squares in only one way, i.e., 17884441 + 657721 = 4229^2 + 811^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4635539 + ... + 4635542.

Almost surely, 2^18542162 is an apocalyptic number.

18542162 is a deficient number, since it is larger than the sum of its proper divisors (9271084).

18542162 is an equidigital number, since it uses as much as digits as its factorization.

18542162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271083.

The product of its digits is 3840, while the sum is 29.

The square root of 18542162 is about 4306.0610771330. The cubic root of 18542162 is about 264.6793891723.

The spelling of 18542162 in words is "eighteen million, five hundred forty-two thousand, one hundred sixty-two".