143802946 has 24 divisors (see below), whose sum is σ = 261835200. Its totient is φ = 58949352.

The previous prime is 143802943. The next prime is 143802959. The reversal of 143802946 is 649208341.

It is not an unprimeable number, because it can be changed into a prime (143802941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29646 + ... + 34153.

It is an arithmetic number, because the mean of its divisors is an integer number (10909800).

Almost surely, 2^143802946 is an apocalyptic number.

143802946 is a deficient number, since it is larger than the sum of its proper divisors (118032254).

143802946 is a wasteful number, since it uses less digits than its factorization.

143802946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63838 (or 63831 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 143802946 is about 11991.7866058398. The cubic root of 143802946 is about 523.9090828607.

The spelling of 143802946 in words is "one hundred forty-three million, eight hundred two thousand, nine hundred forty-six".