143312145122 has 4 divisors (see below), whose sum is σ = 214968217686. Its totient is φ = 71656072560.

The previous prime is 143312145121. The next prime is 143312145143. The reversal of 143312145122 is 221541213341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131790054841 + 11522090281 = 363029^2 + 107341^2 .

It is not an unprimeable number, because it can be changed into a prime (143312145121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35828036279 + ... + 35828036282.

Almost surely, 2^143312145122 is an apocalyptic number.

143312145122 is a deficient number, since it is larger than the sum of its proper divisors (71656072564).

143312145122 is an equidigital number, since it uses as much as digits as its factorization.

143312145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71656072563.

The product of its digits is 5760, while the sum is 29.

Adding to 143312145122 its reverse (221541213341), we get a palindrome (364853358463).

The spelling of 143312145122 in words is "one hundred forty-three billion, three hundred twelve million, one hundred forty-five thousand, one hundred twenty-two".