142254390136322 has 16 divisors (see below), whose sum is σ = 213801275738400. Its totient is φ = 70987378838400.

The previous prime is 142254390136319. The next prime is 142254390136399. The reversal of 142254390136322 is 223631093452241.

It is a happy number.

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, 16622447 + ... + 23681522.

It is an arithmetic number, because the mean of its divisors is an integer number (13362579733650).

Almost surely, 2^{142254390136322} is an apocalyptic number.

142254390136322 is a deficient number, since it is larger than the sum of its proper divisors (71546885602078).

142254390136322 is a wasteful number, since it uses less digits than its factorization.

142254390136322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40307441.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 142254390136322 in words is "one hundred forty-two trillion, two hundred fifty-four billion, three hundred ninety million, one hundred thirty-six thousand, three hundred twenty-two".