143427208 has 8 divisors (see below), whose sum is σ = 268926030. Its totient is φ = 71713600.

The previous prime is 143427161. The next prime is 143427209. The reversal of 143427208 is 802724341.

It can be written as a sum of positive squares in only one way, i.e., 131744484 + 11682724 = 11478^2 + 3418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 143427208.

It is not an unprimeable number, because it can be changed into a prime (143427209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8964193 + ... + 8964208.

Almost surely, 2^143427208 is an apocalyptic number.

143427208 is the 6402-nd centered heptagonal number.

It is an amenable number.

143427208 is a deficient number, since it is larger than the sum of its proper divisors (125498822).

143427208 is a wasteful number, since it uses less digits than its factorization.

143427208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17928407 (or 17928403 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 143427208 is about 11976.1098859354. The cubic root of 143427208 is about 523.4523832459.

The spelling of 143427208 in words is "one hundred forty-three million, four hundred twenty-seven thousand, two hundred eight".