143312314240 has 64 divisors (see below), whose sum is σ = 344586648960. Its totient is φ = 56993523712.

The previous prime is 143312314207. The next prime is 143312314241. The reversal of 143312314240 is 42413213341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 143312314199 and 143312314208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143312314241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536464 + ... + 757903.

It is an arithmetic number, because the mean of its divisors is an integer number (5384166390).

Almost surely, 2^143312314240 is an apocalyptic number.

143312314240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143312314240 is an abundant number, since it is smaller than the sum of its proper divisors (201274334720).

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

143312314240 is a wasteful number, since it uses less digits than its factorization.

143312314240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294559 (or 1294547 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 143312314240 its reverse (42413213341), we get a palindrome (185725527581).

The spelling of 143312314240 in words is "one hundred forty-three billion, three hundred twelve million, three hundred fourteen thousand, two hundred forty".