143241865042 has 4 divisors (see below), whose sum is σ = 214862797566. Its totient is φ = 71620932520.

The previous prime is 143241865031. The next prime is 143241865043. The reversal of 143241865042 is 240568142341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133969908361 + 9271956681 = 366019^2 + 96291^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 143241864986 and 143241865004.

It is not an unprimeable number, because it can be changed into a prime (143241865043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35810466259 + ... + 35810466262.

Almost surely, 2^143241865042 is an apocalyptic number.

143241865042 is a deficient number, since it is larger than the sum of its proper divisors (71620932524).

143241865042 is an equidigital number, since it uses as much as digits as its factorization.

143241865042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71620932523.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 143241865042 in words is "one hundred forty-three billion, two hundred forty-one million, eight hundred sixty-five thousand, forty-two".