142105404506456 has 16 divisors (see below), whose sum is σ = 266463134762400. Its totient is φ = 71048568569824.

The previous prime is 142105404506353. The next prime is 142105404506459. The reversal of 142105404506456 is 654605404501241.

It is a self number, because there is not a number n which added to its sum of digits gives 142105404506456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142105404506459) 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 in 3 ways as a sum of consecutive naturals, for example, 516564320 + ... + 516839343.

It is an arithmetic number, because the mean of its divisors is an integer number (16653945922650).

Almost surely, 2^{142105404506456} is an apocalyptic number.

It is an amenable number.

142105404506456 is a deficient number, since it is larger than the sum of its proper divisors (124357730255944).

142105404506456 is a wasteful number, since it uses less digits than its factorization.

142105404506456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033420858 (or 1033420854 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 142105404506456 in words is "one hundred forty-two trillion, one hundred five billion, four hundred four million, five hundred six thousand, four hundred fifty-six".