312442164445 has 8 divisors (see below), whose sum is σ = 375751017144. Its totient is φ = 249406785024.

The previous prime is 312442164409. The next prime is 312442164473. The reversal of 312442164445 is 544461244213.

It can be written as a sum of positive squares in 4 ways, for example, as 8767325956 + 303674838489 = 93634^2 + 551067^2 .

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 312442164445 - 2¹⁷ = 312442033373 is a prime.

It is a super-3 number, since 3×312442164445³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312442164398 and 312442164407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68365804 + ... + 68370373.

It is an arithmetic number, because the mean of its divisors is an integer number (46968877143).

Almost surely, 2^312442164445 is an apocalyptic number.

It is an amenable number.

312442164445 is a deficient number, since it is larger than the sum of its proper divisors (63308852699).

312442164445 is a wasteful number, since it uses less digits than its factorization.

312442164445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136736639.

The product of its digits is 368640, while the sum is 40.

The spelling of 312442164445 in words is "three hundred twelve billion, four hundred forty-two million, one hundred sixty-four thousand, four hundred forty-five".