143397836 has 12 divisors (see below), whose sum is σ = 253383312. Its totient is φ = 71002608.

The previous prime is 143397833. The next prime is 143397841. The reversal of 143397836 is 638793341.

It is not an unprimeable number, because it can be changed into a prime (143397833) 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 3 ways as a sum of consecutive naturals, for example, 173615 + ... + 174438.

It is an arithmetic number, because the mean of its divisors is an integer number (21115276).

Almost surely, 2^143397836 is an apocalyptic number.

It is an amenable number.

143397836 is a deficient number, since it is larger than the sum of its proper divisors (109985476).

143397836 is a wasteful number, since it uses less digits than its factorization.

143397836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348160 (or 348158 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 143397836 is about 11974.8835484943. The cubic root of 143397836 is about 523.4166487591.

The spelling of 143397836 in words is "one hundred forty-three million, three hundred ninety-seven thousand, eight hundred thirty-six".