143312680 has 32 divisors (see below), whose sum is σ = 368519040. Its totient is φ = 49135680.

The previous prime is 143312641. The next prime is 143312683. The reversal of 143312680 is 86213341.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (143312683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 255636 + ... + 256195.

It is an arithmetic number, because the mean of its divisors is an integer number (11516220).

Almost surely, 2^143312680 is an apocalyptic number.

143312680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143312680 is an abundant number, since it is smaller than the sum of its proper divisors (225206360).

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

143312680 is a wasteful number, since it uses less digits than its factorization.

143312680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511849 (or 511845 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 143312680 is about 11971.3274117785. The cubic root of 143312680 is about 523.3130188967.

The spelling of 143312680 in words is "one hundred forty-three million, three hundred twelve thousand, six hundred eighty".