143020302428 has 6 divisors (see below), whose sum is σ = 250285529256. Its totient is φ = 71510151212.

The previous prime is 143020302361. The next prime is 143020302431. The reversal of 143020302428 is 824203020341.

It is a self number, because there is not a number n which added to its sum of digits gives 143020302428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17877537800 + ... + 17877537807.

It is an arithmetic number, because the mean of its divisors is an integer number (41714254876).

Almost surely, 2^143020302428 is an apocalyptic number.

It is an amenable number.

143020302428 is a deficient number, since it is larger than the sum of its proper divisors (107265226828).

143020302428 is a wasteful number, since it uses less digits than its factorization.

143020302428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35755075611 (or 35755075609 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 143020302428 its reverse (824203020341), we get a palindrome (967223322769).

The spelling of 143020302428 in words is "one hundred forty-three billion, twenty million, three hundred two thousand, four hundred twenty-eight".