142225495805 has 16 divisors (see below), whose sum is σ = 173489120688. Its totient is φ = 111901824000.

The previous prime is 142225495793. The next prime is 142225495817. The reversal of 142225495805 is 508594522241.

It is an interprime number because it is at equal distance from previous prime (142225495793) and next prime (142225495817).

It can be written as a sum of positive squares in 8 ways, for example, as 49623354169 + 92602141636 = 222763^2 + 304306^2 .

It is not a de Polignac number, because 142225495805 - 2¹⁰ = 142225494781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142225495805.

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, 3125315 + ... + 3170495.

It is an arithmetic number, because the mean of its divisors is an integer number (10843070043).

Almost surely, 2^142225495805 is an apocalyptic number.

It is an amenable number.

142225495805 is a deficient number, since it is larger than the sum of its proper divisors (31263624883).

142225495805 is a wasteful number, since it uses less digits than its factorization.

142225495805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55568.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 142225495805 in words is "one hundred forty-two billion, two hundred twenty-five million, four hundred ninety-five thousand, eight hundred five".