142559169797 has 24 divisors (see below), whose sum is σ = 159473149920. Its totient is φ = 127320908000.

The previous prime is 142559169793. The next prime is 142559169827. The reversal of 142559169797 is 797961955241.

It is not a de Polignac number, because 142559169797 - 2² = 142559169793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142559169793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1758047 + ... + 1837347.

It is an arithmetic number, because the mean of its divisors is an integer number (6644714580).

Almost surely, 2^142559169797 is an apocalyptic number.

It is an amenable number.

142559169797 is a deficient number, since it is larger than the sum of its proper divisors (16913980123).

142559169797 is a wasteful number, since it uses less digits than its factorization.

142559169797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79585 (or 79574 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 65.

The spelling of 142559169797 in words is "one hundred forty-two billion, five hundred fifty-nine million, one hundred sixty-nine thousand, seven hundred ninety-seven".