143312440322 has 8 divisors (see below), whose sum is σ = 217913436876. Its totient is φ = 70674628032.

The previous prime is 143312440321. The next prime is 143312440339. The reversal of 143312440322 is 223044213341.

It can be written as a sum of positive squares in 2 ways, for example, as 140376859561 + 2935580761 = 374669^2 + 54181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×143312440322² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143312440321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490795883 + ... + 490796174.

Almost surely, 2^143312440322 is an apocalyptic number.

143312440322 is a deficient number, since it is larger than the sum of its proper divisors (74600996554).

143312440322 is an equidigital number, since it uses as much as digits as its factorization.

143312440322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981592132.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 143312440322 its reverse (223044213341), we get a palindrome (366356653663).

The spelling of 143312440322 in words is "one hundred forty-three billion, three hundred twelve million, four hundred forty thousand, three hundred twenty-two".