1445214871 has 2 divisors, whose sum is σ = 1445214872. Its totient is φ = 1445214870.

The previous prime is 1445214817. The next prime is 1445214877. The reversal of 1445214871 is 1784125441.

It is a happy number.

Together with previous prime (1445214817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1445214871 - 2¹⁵ = 1445182103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445214871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445214877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722607435 + 722607436.

It is an arithmetic number, because the mean of its divisors is an integer number (722607436).

Almost surely, 2^1445214871 is an apocalyptic number.

1445214871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445214871 is an equidigital number, since it uses as much as digits as its factorization.

1445214871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 37.

The square root of 1445214871 is about 38015.9817839813. The cubic root of 1445214871 is about 1130.6047539518.

The spelling of 1445214871 in words is "one billion, four hundred forty-five million, two hundred fourteen thousand, eight hundred seventy-one".