143349966 has 32 divisors (see below), whose sum is σ = 319630080. Its totient is φ = 47622168.

The previous prime is 143349959. The next prime is 143349979. The reversal of 143349966 is 669943341.

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 15 ways as a sum of consecutive naturals, for example, 12255 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (9988440).

Almost surely, 2^143349966 is an apocalyptic number.

143349966 is an abundant number, since it is smaller than the sum of its proper divisors (176280114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143349966 is a wasteful number, since it uses less digits than its factorization.

143349966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965 (or 8959 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 143349966 is about 11972.8846148286. The cubic root of 143349966 is about 523.3583988247.

The spelling of 143349966 in words is "one hundred forty-three million, three hundred forty-nine thousand, nine hundred sixty-six".