143647530072842 has 4 divisors (see below), whose sum is σ = 215471295109266. Its totient is φ = 71823765036420.

The previous prime is 143647530072803. The next prime is 143647530072961. The reversal of 143647530072842 is 248270035746341.

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., 142767106293361 + 880423779481 = 11948519^2 + 938309^2 .

It is a super-3 number, since 3×143647530072842³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35911882518209 + ... + 35911882518212.

Almost surely, 2^{143647530072842} is an apocalyptic number.

143647530072842 is a deficient number, since it is larger than the sum of its proper divisors (71823765036424).

143647530072842 is an equidigital number, since it uses as much as digits as its factorization.

143647530072842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71823765036423.

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 143647530072842 in words is "one hundred forty-three trillion, six hundred forty-seven billion, five hundred thirty million, seventy-two thousand, eight hundred forty-two".