143082640 has 40 divisors (see below), whose sum is σ = 334175040. Its totient is φ = 56973696.

The previous prime is 143082613. The next prime is 143082649. The reversal of 143082640 is 46280341.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 143082599 and 143082608.

It is not an unprimeable number, because it can be changed into a prime (143082649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14221 + ... + 22099.

It is an arithmetic number, because the mean of its divisors is an integer number (8354376).

Almost surely, 2^143082640 is an apocalyptic number.

143082640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143082640 is an abundant number, since it is smaller than the sum of its proper divisors (191092400).

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

143082640 is a wasteful number, since it uses less digits than its factorization.

143082640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 143082640 is about 11961.7155960172. The cubic root of 143082640 is about 523.0328683064.

The spelling of 143082640 in words is "one hundred forty-three million, eighty-two thousand, six hundred forty".