143301906 has 32 divisors (see below), whose sum is σ = 347400000. Its totient is φ = 43424640.

The previous prime is 143301901. The next prime is 143302001. The reversal of 143301906 is 609103341.

143301906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 143301906.

It is not an unprimeable number, because it can be changed into a prime (143301901) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 120031 + ... + 121218.

It is an arithmetic number, because the mean of its divisors is an integer number (10856250).

Almost surely, 2^143301906 is an apocalyptic number.

143301906 is an abundant number, since it is smaller than the sum of its proper divisors (204098094).

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

143301906 is a wasteful number, since it uses less digits than its factorization.

143301906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241271 (or 241265 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 143301906 is about 11970.8774114515. The cubic root of 143301906 is about 523.2999046448.

The spelling of 143301906 in words is "one hundred forty-three million, three hundred one thousand, nine hundred six".