242544142 has 8 divisors (see below), whose sum is σ = 366593832. Its totient is φ = 120346200.

The previous prime is 242544121. The next prime is 242544161. The reversal of 242544142 is 241445242.

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

It is a self number, because there is not a number n which added to its sum of digits gives 242544142.

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, 462609 + ... + 463132.

It is an arithmetic number, because the mean of its divisors is an integer number (45824229).

Almost surely, 2^242544142 is an apocalyptic number.

242544142 is a deficient number, since it is larger than the sum of its proper divisors (124049690).

242544142 is a wasteful number, since it uses less digits than its factorization.

242544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925874.

The product of its digits is 10240, while the sum is 28.

The square root of 242544142 is about 15573.8287521085. The cubic root of 242544142 is about 623.6346874866.

Adding to 242544142 its reverse (241445242), we get a palindrome (483989384).

The spelling of 242544142 in words is "two hundred forty-two million, five hundred forty-four thousand, one hundred forty-two".