143385018 has 16 divisors (see below), whose sum is σ = 327737280. Its totient is φ = 40967136.

The previous prime is 143384999. The next prime is 143385041. The reversal of 143385018 is 810583341.

143385018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143385018.

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, 1706923 + ... + 1707006.

It is an arithmetic number, because the mean of its divisors is an integer number (20483580).

Almost surely, 2^143385018 is an apocalyptic number.

143385018 is an abundant number, since it is smaller than the sum of its proper divisors (184352262).

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

143385018 is a wasteful number, since it uses less digits than its factorization.

143385018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413941.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 143385018 is about 11974.3483329992. The cubic root of 143385018 is about 523.4010526276.

The spelling of 143385018 in words is "one hundred forty-three million, three hundred eighty-five thousand, eighteen".