242143210 has 16 divisors (see below), whose sum is σ = 436244616. Its totient is φ = 96771328.

The previous prime is 242143199. The next prime is 242143211. The reversal of 242143210 is 12341242.

It can be written as a sum of positive squares in 4 ways, for example, as 192848769 + 49294441 = 13887^2 + 7021^2 .

It is not an unprimeable number, because it can be changed into a prime (242143211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 22078.

Almost surely, 2^242143210 is an apocalyptic number.

242143210 is a deficient number, since it is larger than the sum of its proper divisors (194101406).

242143210 is a wasteful number, since it uses less digits than its factorization.

242143210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21497.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242143210 is about 15560.9514490599. The cubic root of 242143210 is about 623.2908696579.

Adding to 242143210 its reverse (12341242), we get a palindrome (254484452).

The spelling of 242143210 in words is "two hundred forty-two million, one hundred forty-three thousand, two hundred ten".