142454355665 has 8 divisors (see below), whose sum is σ = 172637754408. Its totient is φ = 112835132800.

The previous prime is 142454355653. The next prime is 142454355683. The reversal of 142454355665 is 566553454241.

142454355665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21564628801 + 120889726864 = 146849^2 + 347692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142454355665 - 2¹⁸ = 142454093521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141043412 + ... + 141044421.

It is an arithmetic number, because the mean of its divisors is an integer number (21579719301).

Almost surely, 2^142454355665 is an apocalyptic number.

It is an amenable number.

142454355665 is a deficient number, since it is larger than the sum of its proper divisors (30183398743).

142454355665 is a wasteful number, since it uses less digits than its factorization.

142454355665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282087939.

The product of its digits is 8640000, while the sum is 50.

The spelling of 142454355665 in words is "one hundred forty-two billion, four hundred fifty-four million, three hundred fifty-five thousand, six hundred sixty-five".