142243563406 has 16 divisors (see below), whose sum is σ = 245399272416. Its totient is φ = 60573236256.

The previous prime is 142243563401. The next prime is 142243563409. The reversal of 142243563406 is 604365342241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243563401) 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, 32355301 + ... + 32359696.

It is an arithmetic number, because the mean of its divisors is an integer number (15337454526).

Almost surely, 2^142243563406 is an apocalyptic number.

142243563406 is a deficient number, since it is larger than the sum of its proper divisors (103155709010).

142243563406 is a wasteful number, since it uses less digits than its factorization.

142243563406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715163.

The product of its (nonzero) digits is 414720, while the sum is 40.

It can be divided in two parts, 1422435 and 63406, that added together give a palindrome (1485841).

The spelling of 142243563406 in words is "one hundred forty-two billion, two hundred forty-three million, five hundred sixty-three thousand, four hundred six".