240205142 has 8 divisors (see below), whose sum is σ = 369095832. Its totient is φ = 117173200.

The previous prime is 240205111. The next prime is 240205157. The reversal of 240205142 is 241502042.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464584 + ... + 1464747.

It is an arithmetic number, because the mean of its divisors is an integer number (46136979).

Almost surely, 2^240205142 is an apocalyptic number.

240205142 is a deficient number, since it is larger than the sum of its proper divisors (128890690).

240205142 is a wasteful number, since it uses less digits than its factorization.

240205142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929374.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 240205142 is about 15498.5529001904. The cubic root of 240205142 is about 621.6235129581.

Adding to 240205142 its reverse (241502042), we get a palindrome (481707184).

The spelling of 240205142 in words is "two hundred forty million, two hundred five thousand, one hundred forty-two".