143984720 has 80 divisors (see below), whose sum is σ = 368280000. Its totient is φ = 51916800.

The previous prime is 143984719. The next prime is 143984759. The reversal of 143984720 is 27489341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114656 + ... + 115904.

It is an arithmetic number, because the mean of its divisors is an integer number (4603500).

Almost surely, 2^143984720 is an apocalyptic number.

143984720 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 143984720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184140000).

143984720 is an abundant number, since it is smaller than the sum of its proper divisors (224295280).

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

143984720 is a wasteful number, since it uses less digits than its factorization.

143984720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 143984720 is about 11999.3633164431. The cubic root of 143984720 is about 524.1297388672.

The spelling of 143984720 in words is "one hundred forty-three million, nine hundred eighty-four thousand, seven hundred twenty".