143308072 has 8 divisors (see below), whose sum is σ = 268702650. Its totient is φ = 71654032.

The previous prime is 143308063. The next prime is 143308103. The reversal of 143308072 is 270803341.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 11655396 = 11474^2 + 3414^2 .

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 143308072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8956747 + ... + 8956762.

Almost surely, 2^143308072 is an apocalyptic number.

It is an amenable number.

143308072 is a deficient number, since it is larger than the sum of its proper divisors (125394578).

143308072 is a wasteful number, since it uses less digits than its factorization.

143308072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913515 (or 17913511 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 143308072 is about 11971.1349503712. The cubic root of 143308072 is about 523.3074100601.

The spelling of 143308072 in words is "one hundred forty-three million, three hundred eight thousand, seventy-two".