142323994079278 has 16 divisors (see below), whose sum is σ = 233250460597296. Its totient is φ = 64593654552640.

The previous prime is 142323994079269. The next prime is 142323994079297. The reversal of 142323994079278 is 872970499323241.

It is a super-2 number, since 2×142323994079278² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 4953486751 + ... + 4953515482.

It is an arithmetic number, because the mean of its divisors is an integer number (14578153787331).

Almost surely, 2^{142323994079278} is an apocalyptic number.

142323994079278 is a deficient number, since it is larger than the sum of its proper divisors (90926466518018).

142323994079278 is a wasteful number, since it uses less digits than its factorization.

142323994079278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907002899.

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 142323994079278 in words is "one hundred forty-two trillion, three hundred twenty-three billion, nine hundred ninety-four million, seventy-nine thousand, two hundred seventy-eight".