142497677321 has 8 divisors (see below), whose sum is σ = 152946742824. Its totient is φ = 132278261760.

The previous prime is 142497677303. The next prime is 142497677323. The reversal of 142497677321 is 123776794241.

It can be written as a sum of positive squares in 4 ways, for example, as 26982661696 + 115515015625 = 164264^2 + 339875^2 .

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 142497677321 - 2¹⁴ = 142497660937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142497677323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57411200 + ... + 57413681.

It is an arithmetic number, because the mean of its divisors is an integer number (19118342853).

Almost surely, 2^142497677321 is an apocalyptic number.

It is an amenable number.

142497677321 is a deficient number, since it is larger than the sum of its proper divisors (10449065503).

142497677321 is a wasteful number, since it uses less digits than its factorization.

142497677321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114824971.

The product of its digits is 3556224, while the sum is 53.

The spelling of 142497677321 in words is "one hundred forty-two billion, four hundred ninety-seven million, six hundred seventy-seven thousand, three hundred twenty-one".