214642042 has 8 divisors (see below), whose sum is σ = 327241332. Its totient is φ = 105561600.

The previous prime is 214642039. The next prime is 214642081. The reversal of 214642042 is 240246412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214593201 + 48841 = 14649^2 + 221^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 214641998 and 214642016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879559 + ... + 879802.

Almost surely, 2^214642042 is an apocalyptic number.

214642042 is a deficient number, since it is larger than the sum of its proper divisors (112599290).

214642042 is a wasteful number, since it uses less digits than its factorization.

214642042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759424.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 214642042 is about 14650.6669472758. Note that the first 3 decimals coincide. The cubic root of 214642042 is about 598.7399872803.

Adding to 214642042 its reverse (240246412), we get a palindrome (454888454).

The spelling of 214642042 in words is "two hundred fourteen million, six hundred forty-two thousand, forty-two".