143983980 has 120 divisors (see below), whose sum is σ = 516249888. Its totient is φ = 32908032.

The previous prime is 143983969. The next prime is 143983991. The reversal of 143983980 is 89389341.

It is an interprime number because it is at equal distance from previous prime (143983969) and next prime (143983991).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 4992 + ... + 17688.

Almost surely, 2^143983980 is an apocalyptic number.

143983980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143983980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258124944).

143983980 is an abundant number, since it is smaller than the sum of its proper divisors (372265908).

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

143983980 is a wasteful number, since it uses less digits than its factorization.

143983980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725 (or 12714 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 143983980 is about 11999.3324814341. The cubic root of 143983980 is about 524.1288409556.

The spelling of 143983980 in words is "one hundred forty-three million, nine hundred eighty-three thousand, nine hundred eighty".