143946983 has 16 divisors (see below), whose sum is σ = 157557120. Its totient is φ = 131033376.

The previous prime is 143946937. The next prime is 143946989. The reversal of 143946983 is 389649341.

It is a happy number.

143946983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 143946983 - 2¹⁰ = 143945959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143946989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57116 + ... + 59582.

It is an arithmetic number, because the mean of its divisors is an integer number (9847320).

Almost surely, 2^143946983 is an apocalyptic number.

143946983 is a deficient number, since it is larger than the sum of its proper divisors (13610137).

143946983 is a wasteful number, since it uses less digits than its factorization.

143946983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606.

The product of its digits is 559872, while the sum is 47.

The square root of 143946983 is about 11997.7907549682. The cubic root of 143946983 is about 524.0839450909.

The spelling of 143946983 in words is "one hundred forty-three million, nine hundred forty-six thousand, nine hundred eighty-three".