143993149303 has 4 divisors (see below), whose sum is σ = 145314187480. Its totient is φ = 142672111128.

The previous prime is 143993149283. The next prime is 143993149351. The reversal of 143993149303 is 303941399341.

It is a happy number.

143993149303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143993149303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143993129303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660518925 + ... + 660519142.

It is an arithmetic number, because the mean of its divisors is an integer number (36328546870).

Almost surely, 2^143993149303 is an apocalyptic number.

143993149303 is a deficient number, since it is larger than the sum of its proper divisors (1321038177).

143993149303 is a wasteful number, since it uses less digits than its factorization.

143993149303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321038176.

The product of its (nonzero) digits is 944784, while the sum is 49.

The spelling of 143993149303 in words is "one hundred forty-three billion, nine hundred ninety-three million, one hundred forty-nine thousand, three hundred three".