142446492729 has 16 divisors (see below), whose sum is σ = 212693514240. Its totient is φ = 94216575600.

The previous prime is 142446492709. The next prime is 142446492737. The reversal of 142446492729 is 927294644241.

142446492729 is a `hidden beast` number, since 1 + 4 + 24 + 464 + 92 + 72 + 9 = 666.

142446492729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142446492729 - 2⁸ = 142446492473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142446492709) 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 15 ways as a sum of consecutive naturals, for example, 20767422 + ... + 20774279.

It is an arithmetic number, because the mean of its divisors is an integer number (13293344640).

Almost surely, 2^142446492729 is an apocalyptic number.

It is an amenable number.

142446492729 is a deficient number, since it is larger than the sum of its proper divisors (70247021511).

142446492729 is a wasteful number, since it uses less digits than its factorization.

142446492729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41541837 (or 41541831 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 142446492729 in words is "one hundred forty-two billion, four hundred forty-six million, four hundred ninety-two thousand, seven hundred twenty-nine".