142284105397 has 12 divisors (see below), whose sum is σ = 165529428876. Its totient is φ = 121946556480.

The previous prime is 142284105391. The next prime is 142284105487. The reversal of 142284105397 is 793501482241.

It can be written as a sum of positive squares in 2 ways, for example, as 72185718276 + 70098387121 = 268674^2 + 264761^2 .

It is not a de Polignac number, because 142284105397 - 2²⁷ = 142149887669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142284105391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426483 + ... + 682975.

It is an arithmetic number, because the mean of its divisors is an integer number (13794119073).

Almost surely, 2^142284105397 is an apocalyptic number.

It is an amenable number.

142284105397 is a deficient number, since it is larger than the sum of its proper divisors (23245323479).

142284105397 is a wasteful number, since it uses less digits than its factorization.

142284105397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267828 (or 267821 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 142284105397 in words is "one hundred forty-two billion, two hundred eighty-four million, one hundred five thousand, three hundred ninety-seven".