143826380 has 12 divisors (see below), whose sum is σ = 302035440. Its totient is φ = 57530544.

The previous prime is 143826379. The next prime is 143826407. The reversal of 143826380 is 83628341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143826380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3595640 + ... + 3595679.

It is an arithmetic number, because the mean of its divisors is an integer number (25169620).

Almost surely, 2^143826380 is an apocalyptic number.

143826380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143826380 is an abundant number, since it is smaller than the sum of its proper divisors (158209060).

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

143826380 is a wasteful number, since it uses less digits than its factorization.

143826380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191328 (or 7191326 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 143826380 is about 11992.7636514692. The cubic root of 143826380 is about 523.9375399009.

The spelling of 143826380 in words is "one hundred forty-three million, eight hundred twenty-six thousand, three hundred eighty".