143020430452 has 12 divisors (see below), whose sum is σ = 250390360836. Its totient is φ = 71480327360.

The previous prime is 143020430429. The next prime is 143020430453. The reversal of 143020430452 is 254034020341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10113520356 + 132906910096 = 100566^2 + 364564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143020430452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020430453) 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 3 ways as a sum of consecutive naturals, for example, 7461199 + ... + 7480342.

It is an arithmetic number, because the mean of its divisors is an integer number (20865863403).

Almost surely, 2^143020430452 is an apocalyptic number.

It is an amenable number.

143020430452 is a deficient number, since it is larger than the sum of its proper divisors (107369930384).

143020430452 is a wasteful number, since it uses less digits than its factorization.

143020430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943938 (or 14943936 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 143020430452 its reverse (254034020341), we get a palindrome (397054450793).

The spelling of 143020430452 in words is "one hundred forty-three billion, twenty million, four hundred thirty thousand, four hundred fifty-two".