143145212220 has 36 divisors (see below), whose sum is σ = 434207144280. Its totient is φ = 38172056544.

The previous prime is 143145212207. The next prime is 143145212237. The reversal of 143145212220 is 22212541341.

143145212220 is a `hidden beast` number, since 1 + 431 + 4 + 5 + 2 + 1 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397625410 + ... + 397625769.

Almost surely, 2^143145212220 is an apocalyptic number.

143145212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143145212220 is an abundant number, since it is smaller than the sum of its proper divisors (291061932060).

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

143145212220 is a wasteful number, since it uses less digits than its factorization.

143145212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795251194 (or 795251189 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 143145212220 its reverse (22212541341), we get a palindrome (165357753561).

The spelling of 143145212220 in words is "one hundred forty-three billion, one hundred forty-five million, two hundred twelve thousand, two hundred twenty".