143294938 has 16 divisors (see below), whose sum is σ = 227848680. Its totient is φ = 67355136.

The previous prime is 143294933. The next prime is 143294981. The reversal of 143294938 is 839492341.

It can be written as a sum of positive squares in 4 ways, for example, as 114425809 + 28869129 = 10697^2 + 5373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143294894 and 143294903.

It is not an unprimeable number, because it can be changed into a prime (143294933) 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, 36520 + ... + 40252.

Almost surely, 2^143294938 is an apocalyptic number.

143294938 is a deficient number, since it is larger than the sum of its proper divisors (84553742).

143294938 is a wasteful number, since it uses less digits than its factorization.

143294938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881.

The product of its digits is 186624, while the sum is 43.

The square root of 143294938 is about 11970.5863682612. The cubic root of 143294938 is about 523.2914227552.

The spelling of 143294938 in words is "one hundred forty-three million, two hundred ninety-four thousand, nine hundred thirty-eight".