143243064242 has 16 divisors (see below), whose sum is σ = 215094991320. Its totient is φ = 71544768768.

The previous prime is 143243064229. The next prime is 143243064287. The reversal of 143243064242 is 242460342341.

It can be written as a sum of positive squares in 4 ways, for example, as 113885325961 + 29357738281 = 337469^2 + 171341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12787388 + ... + 12798584.

Almost surely, 2^143243064242 is an apocalyptic number.

143243064242 is a deficient number, since it is larger than the sum of its proper divisors (71851927078).

143243064242 is a wasteful number, since it uses less digits than its factorization.

143243064242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17485.

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 143243064242 in words is "one hundred forty-three billion, two hundred forty-three million, sixty-four thousand, two hundred forty-two".