143680000 has 100 divisors (see below), whose sum is σ = 359533350. Its totient is φ = 57344000.

The previous prime is 143679997. The next prime is 143680003. The reversal of 143680000 is 86341.

It is an interprime number because it is at equal distance from previous prime (143679997) and next prime (143680003).

It can be written as a sum of positive squares in 5 ways, for example, as 3873024 + 139806976 = 1968^2 + 11824^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (143680003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 319776 + ... + 320224.

Almost surely, 2^143680000 is an apocalyptic number.

143680000 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 143680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179766675).

143680000 is an abundant number, since it is smaller than the sum of its proper divisors (215853350).

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

143680000 is an frugal number, since it uses more digits than its factorization.

143680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 143680000 is about 11986.6592510174. The cubic root of 143680000 is about 523.7597329034.

The spelling of 143680000 in words is "one hundred forty-three million, six hundred eighty thousand".