145601256112321 has 16 divisors (see below), whose sum is σ = 157926875420160. Its totient is φ = 133693537169920.

The previous prime is 145601256112241. The next prime is 145601256112369. The reversal of 145601256112321 is 123211652106541.

It is a cyclic number.

It is not a de Polignac number, because 145601256112321 - 2¹¹ = 145601256110273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145601256112391) 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 15 ways as a sum of consecutive naturals, for example, 299689620 + ... + 300175066.

It is an arithmetic number, because the mean of its divisors is an integer number (9870429713760).

Almost surely, 2^{145601256112321} is an apocalyptic number.

It is an amenable number.

145601256112321 is a deficient number, since it is larger than the sum of its proper divisors (12325619307839).

145601256112321 is a wasteful number, since it uses less digits than its factorization.

145601256112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915824.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 145601256112321 in words is "one hundred forty-five trillion, six hundred one billion, two hundred fifty-six million, one hundred twelve thousand, three hundred twenty-one".