142078041785 has 32 divisors (see below), whose sum is σ = 174740124960. Its totient is φ = 110868480000.

The previous prime is 142078041779. The next prime is 142078041821. The reversal of 142078041785 is 587140870241.

It can be written as a sum of positive squares in 16 ways, for example, as 29962225216 + 112115816569 = 173096^2 + 334837^2 .

It is not a de Polignac number, because 142078041785 - 2⁴ = 142078041769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44273261 + ... + 44276469.

It is an arithmetic number, because the mean of its divisors is an integer number (5460628905).

Almost surely, 2^142078041785 is an apocalyptic number.

It is an amenable number.

142078041785 is a deficient number, since it is larger than the sum of its proper divisors (32662083175).

142078041785 is a wasteful number, since it uses less digits than its factorization.

142078041785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 142078041785 in words is "one hundred forty-two billion, seventy-eight million, forty-one thousand, seven hundred eighty-five".