214642542 has 8 divisors (see below), whose sum is σ = 429285096. Its totient is φ = 71547512.

The previous prime is 214642537. The next prime is 214642609. The reversal of 214642542 is 245246412.

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

214642542 is an admirable number.

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, 17886873 + ... + 17886884.

It is an arithmetic number, because the mean of its divisors is an integer number (53660637).

Almost surely, 2^214642542 is an apocalyptic number.

214642542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

214642542 is a wasteful number, since it uses less digits than its factorization.

214642542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35773762.

The product of its digits is 15360, while the sum is 30.

The square root of 214642542 is about 14650.6840113354. The cubic root of 214642542 is about 598.7404521935.

Adding to 214642542 its reverse (245246412), we get a palindrome (459888954).

The spelling of 214642542 in words is "two hundred fourteen million, six hundred forty-two thousand, five hundred forty-two".