142770209978 has 16 divisors (see below), whose sum is σ = 233794931904. Its totient is φ = 64848063360.

The previous prime is 142770209941. The next prime is 142770210047. The reversal of 142770209978 is 879902077241.

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 7 ways as a sum of consecutive naturals, for example, 2343575 + ... + 2403722.

It is an arithmetic number, because the mean of its divisors is an integer number (14612183244).

Almost surely, 2^142770209978 is an apocalyptic number.

142770209978 is a deficient number, since it is larger than the sum of its proper divisors (91024721926).

142770209978 is a wasteful number, since it uses less digits than its factorization.

142770209978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748677.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 142770209978 in words is "one hundred forty-two billion, seven hundred seventy million, two hundred nine thousand, nine hundred seventy-eight".