142312673281 has 8 divisors (see below), whose sum is σ = 149860951200. Its totient is φ = 134770209120.

The previous prime is 142312673267. The next prime is 142312673311. The reversal of 142312673281 is 182376213241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142312673281 - 2²¹ = 142310576129 is a prime.

It is a super-2 number, since 2×142312673281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142312673201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403140 + ... + 1501141.

It is an arithmetic number, because the mean of its divisors is an integer number (18732618900).

Almost surely, 2^142312673281 is an apocalyptic number.

It is an amenable number.

142312673281 is a deficient number, since it is larger than the sum of its proper divisors (7548277919).

142312673281 is a wasteful number, since it uses less digits than its factorization.

142312673281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906879.

The product of its digits is 96768, while the sum is 40.

The spelling of 142312673281 in words is "one hundred forty-two billion, three hundred twelve million, six hundred seventy-three thousand, two hundred eighty-one".