142197612434 has 16 divisors (see below), whose sum is σ = 222238900800. Its totient is φ = 68153255184.

The previous prime is 142197612433. The next prime is 142197612547. The reversal of 142197612434 is 434216791241.

142197612434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142197612433) by changing a digit.

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, 8810942 + ... + 8827065.

It is an arithmetic number, because the mean of its divisors is an integer number (13889931300).

Almost surely, 2^142197612434 is an apocalyptic number.

142197612434 is a deficient number, since it is larger than the sum of its proper divisors (80041288366).

142197612434 is a wasteful number, since it uses less digits than its factorization.

142197612434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638177.

The product of its digits is 290304, while the sum is 44.

The spelling of 142197612434 in words is "one hundred forty-two billion, one hundred ninety-seven million, six hundred twelve thousand, four hundred thirty-four".