142321564606445 has 16 divisors (see below), whose sum is σ = 195184369785600. Its totient is φ = 97591675138944.

The previous prime is 142321564606393. The next prime is 142321564606457. The reversal of 142321564606445 is 544606465123241.

It is not a de Polignac number, because 142321564606445 - 2¹⁴ = 142321564590061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8811929 + ... + 19034001.

It is an arithmetic number, because the mean of its divisors is an integer number (12199023111600).

Almost surely, 2^{142321564606445} is an apocalyptic number.

It is an amenable number.

142321564606445 is a deficient number, since it is larger than the sum of its proper divisors (52862805179155).

142321564606445 is a wasteful number, since it uses less digits than its factorization.

142321564606445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10619884.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 142321564606445 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred sixty-four million, six hundred six thousand, four hundred forty-five".