143202435425284 has 9 divisors (see below), whose sum is σ = 250604303877781. Its totient is φ = 71601205745920.

The previous prime is 143202435425281. The next prime is 143202435425417. The reversal of 143202435425284 is 482524534202341.

The square root of 143202435425284 is 11966722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25076838951684 + 118125596473600 = 5007678^2 + 10868560^2 .

It is a super-4 number, since 4×143202435425284⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143202435425281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20941764 + ... + 26925124.

Almost surely, 2^{143202435425284} is an apocalyptic number.

143202435425284 is the 11966722-nd square number.

It is an amenable number.

143202435425284 is a deficient number, since it is larger than the sum of its proper divisors (107401868452497).

143202435425284 is an frugal number, since it uses more digits than its factorization.

143202435425284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11966726 (or 5983363 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 49.

The spelling of 143202435425284 in words is "one hundred forty-three trillion, two hundred two billion, four hundred thirty-five million, four hundred twenty-five thousand, two hundred eighty-four".