143843938 has 16 divisors (see below), whose sum is σ = 253255104. Its totient is φ = 59981040.

The previous prime is 143843933. The next prime is 143843951. The reversal of 143843938 is 839348341.

It is a junction number, because it is equal to n+sod(n) for n = 143843894 and 143843903.

It is not an unprimeable number, because it can be changed into a prime (143843933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138328 + ... + 139363.

It is an arithmetic number, because the mean of its divisors is an integer number (15828444).

Almost surely, 2^143843938 is an apocalyptic number.

143843938 is a deficient number, since it is larger than the sum of its proper divisors (109411166).

143843938 is a wasteful number, since it uses less digits than its factorization.

143843938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277737.

The product of its digits is 248832, while the sum is 43.

The square root of 143843938 is about 11993.4956538951. The cubic root of 143843938 is about 523.9588594043.

The spelling of 143843938 in words is "one hundred forty-three million, eight hundred forty-three thousand, nine hundred thirty-eight".