1445671272163 has 2 divisors, whose sum is σ = 1445671272164. Its totient is φ = 1445671272162.

The previous prime is 1445671272151. The next prime is 1445671272179. The reversal of 1445671272163 is 3612721765441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1445671272163 - 2¹⁷ = 1445671141091 is a prime.

It is a super-3 number, since 3×1445671272163³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1445671272263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722835636081 + 722835636082.

It is an arithmetic number, because the mean of its divisors is an integer number (722835636082).

Almost surely, 2^{1445671272163} is an apocalyptic number.

1445671272163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445671272163 is an equidigital number, since it uses as much as digits as its factorization.

1445671272163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The spelling of 1445671272163 in words is "one trillion, four hundred forty-five billion, six hundred seventy-one million, two hundred seventy-two thousand, one hundred sixty-three".