242143002 has 24 divisors (see below), whose sum is σ = 555505236. Its totient is φ = 75966336.

The previous prime is 242142961. The next prime is 242143003. The reversal of 242143002 is 200341242.

It can be written as a sum of positive squares in 2 ways, for example, as 226532601 + 15610401 = 15051^2 + 3951^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (242143003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395353 + ... + 395964.

Almost surely, 2^242143002 is an apocalyptic number.

242143002 is an abundant number, since it is smaller than the sum of its proper divisors (313362234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242143002 is a wasteful number, since it uses less digits than its factorization.

242143002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791342 (or 791339 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242143002 is about 15560.9447656625. The cubic root of 242143002 is about 623.2906911898.

Adding to 242143002 its reverse (200341242), we get a palindrome (442484244).

The spelling of 242143002 in words is "two hundred forty-two million, one hundred forty-three thousand, two".