242143142 has 8 divisors (see below), whose sum is σ = 363381600. Its totient is φ = 121015944.

The previous prime is 242143123. The next prime is 242143199. The reversal of 242143142 is 241341242.

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, 22142 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (45422700).

Almost surely, 2^242143142 is an apocalyptic number.

242143142 is a deficient number, since it is larger than the sum of its proper divisors (121238458).

242143142 is a wasteful number, since it uses less digits than its factorization.

242143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55630.

The product of its digits is 1536, while the sum is 23.

The square root of 242143142 is about 15560.9492641034. The cubic root of 242143142 is about 623.2908113126.

Adding to 242143142 its reverse (241341242), we get a palindrome (483484384).

The spelling of 242143142 in words is "two hundred forty-two million, one hundred forty-three thousand, one hundred forty-two".