143311680 has 336 divisors, whose sum is σ = 543641280. Its totient is φ = 35831808.

The previous prime is 143311669. The next prime is 143311691. The reversal of 143311680 is 86113341.

It is an interprime number because it is at equal distance from previous prime (143311669) and next prime (143311691).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1477392 + ... + 1477488.

It is an arithmetic number, because the mean of its divisors is an integer number (1617980).

Almost surely, 2^143311680 is an apocalyptic number.

143311680 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 143311680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271820640).

143311680 is an abundant number, since it is smaller than the sum of its proper divisors (400329600).

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

143311680 is an equidigital number, since it uses as much as digits as its factorization.

143311680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 143311680 is about 11971.2856452430. The cubic root of 143311680 is about 523.3118017115.

The spelling of 143311680 in words is "one hundred forty-three million, three hundred eleven thousand, six hundred eighty".