142446026521 has 32 divisors (see below), whose sum is σ = 150368400000. Its totient is φ = 134757493248.

The previous prime is 142446026497. The next prime is 142446026531. The reversal of 142446026521 is 125620644241.

142446026521 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 142446026521 - 2¹¹ = 142446024473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142446026531) 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 31 ways as a sum of consecutive naturals, for example, 279854415 + ... + 279854923.

It is an arithmetic number, because the mean of its divisors is an integer number (4699012500).

Almost surely, 2^142446026521 is an apocalyptic number.

It is an amenable number.

142446026521 is a deficient number, since it is larger than the sum of its proper divisors (7922373479).

142446026521 is a wasteful number, since it uses less digits than its factorization.

142446026521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 142446026521 in words is "one hundred forty-two billion, four hundred forty-six million, twenty-six thousand, five hundred twenty-one".