143064406642 has 4 divisors (see below), whose sum is σ = 214596609966. Its totient is φ = 71532203320.

The previous prime is 143064406633. The next prime is 143064406649. The reversal of 143064406642 is 246604460341.

143064406642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246604460341 = 113 ⋅2182340357.

It can be written as a sum of positive squares in only one way, i.e., 139173017481 + 3891389161 = 373059^2 + 62381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143064406595 and 143064406604.

It is not an unprimeable number, because it can be changed into a prime (143064406649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35766101659 + ... + 35766101662.

Almost surely, 2^143064406642 is an apocalyptic number.

143064406642 is a deficient number, since it is larger than the sum of its proper divisors (71532203324).

143064406642 is an equidigital number, since it uses as much as digits as its factorization.

143064406642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71532203323.

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 143064406642 its reverse (246604460341), we get a palindrome (389668866983).

The spelling of 143064406642 in words is "one hundred forty-three billion, sixty-four million, four hundred six thousand, six hundred forty-two".