143090020 has 24 divisors (see below), whose sum is σ = 318165624. Its totient is φ = 53869056.

The previous prime is 143090009. The next prime is 143090029. The reversal of 143090020 is 20090341.

143090020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51236964 + 91853056 = 7158^2 + 9584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143090020.

It is not an unprimeable number, because it can be changed into a prime (143090029) 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 7 ways as a sum of consecutive naturals, for example, 210087 + ... + 210766.

It is an arithmetic number, because the mean of its divisors is an integer number (13256901).

Almost surely, 2^143090020 is an apocalyptic number.

143090020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143090020 is an abundant number, since it is smaller than the sum of its proper divisors (175075604).

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

143090020 is a wasteful number, since it uses less digits than its factorization.

143090020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420879 (or 420877 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 143090020 is about 11962.0240762172. The cubic root of 143090020 is about 523.0418605834.

The spelling of 143090020 in words is "one hundred forty-three million, ninety thousand, twenty".