143313904 has 20 divisors (see below), whose sum is σ = 283580064. Its totient is φ = 70131968.

The previous prime is 143313881. The next prime is 143313917. The reversal of 143313904 is 409313341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94537 + ... + 96040.

Almost surely, 2^143313904 is an apocalyptic number.

It is an amenable number.

143313904 is a deficient number, since it is larger than the sum of its proper divisors (140266160).

143313904 is a wasteful number, since it uses less digits than its factorization.

143313904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190632 (or 190626 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 143313904 is about 11971.3785338197. The cubic root of 143313904 is about 523.3145087238.

The spelling of 143313904 in words is "one hundred forty-three million, three hundred thirteen thousand, nine hundred four".