143866012 has 24 divisors (see below), whose sum is σ = 263594016. Its totient is φ = 68574528.

The previous prime is 143866001. The next prime is 143866039. The reversal of 143866012 is 210668341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26698 + ... + 31630.

It is an arithmetic number, because the mean of its divisors is an integer number (10983084).

Almost surely, 2^143866012 is an apocalyptic number.

It is an amenable number.

143866012 is a deficient number, since it is larger than the sum of its proper divisors (119728004).

143866012 is a wasteful number, since it uses less digits than its factorization.

143866012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 143866012 is about 11994.4158673943. The cubic root of 143866012 is about 523.9856599226.

The spelling of 143866012 in words is "one hundred forty-three million, eight hundred sixty-six thousand, twelve".