143445644426 has 32 divisors (see below), whose sum is σ = 247057050240. Its totient is φ = 61189315776.

The previous prime is 143445644387. The next prime is 143445644467. The reversal of 143445644426 is 624446544341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16496936 + ... + 16505628.

It is an arithmetic number, because the mean of its divisors is an integer number (7720532820).

Almost surely, 2^143445644426 is an apocalyptic number.

143445644426 is a deficient number, since it is larger than the sum of its proper divisors (103611405814).

143445644426 is a wasteful number, since it uses less digits than its factorization.

143445644426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14078.

The product of its digits is 4423680, while the sum is 47.

The spelling of 143445644426 in words is "one hundred forty-three billion, four hundred forty-five million, six hundred forty-four thousand, four hundred twenty-six".