142403558888165 has 4 divisors (see below), whose sum is σ = 170884270665804. Its totient is φ = 113922847110528.

The previous prime is 142403558888141. The next prime is 142403558888167. The reversal of 142403558888165 is 561888855304241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61857941860324 + 80545617027841 = 7864982^2 + 8974721^2 .

It is a cyclic number.

It is not a de Polignac number, because 142403558888165 - 2³² = 142399263920869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142403558888095 and 142403558888104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403558888167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14240355888812 + ... + 14240355888821.

It is an arithmetic number, because the mean of its divisors is an integer number (42721067666451).

Almost surely, 2^{142403558888165} is an apocalyptic number.

It is an amenable number.

142403558888165 is a deficient number, since it is larger than the sum of its proper divisors (28480711777639).

142403558888165 is an equidigital number, since it uses as much as digits as its factorization.

142403558888165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28480711777638.

The product of its (nonzero) digits is 294912000, while the sum is 68.

The spelling of 142403558888165 in words is "one hundred forty-two trillion, four hundred three billion, five hundred fifty-eight million, eight hundred eighty-eight thousand, one hundred sixty-five".