1445749163 has 2 divisors, whose sum is σ = 1445749164. Its totient is φ = 1445749162.

The previous prime is 1445749141. The next prime is 1445749171. The reversal of 1445749163 is 3619475441.

It is a strong prime.

It is an emirp because it is prime and its reverse (3619475441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1445749163 - 2⁶ = 1445749099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445749103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722874581 + 722874582.

It is an arithmetic number, because the mean of its divisors is an integer number (722874582).

Almost surely, 2^1445749163 is an apocalyptic number.

1445749163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445749163 is an equidigital number, since it uses as much as digits as its factorization.

1445749163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 1445749163 is about 38023.0083370582. The cubic root of 1445749163 is about 1130.7440639513.

The spelling of 1445749163 in words is "one billion, four hundred forty-five million, seven hundred forty-nine thousand, one hundred sixty-three".