1445164143 has 16 divisors (see below), whose sum is σ = 1954375680. Its totient is φ = 949736736.

The previous prime is 1445164141. The next prime is 1445164157. The reversal of 1445164143 is 3414615441.

It is not a de Polignac number, because 1445164143 - 2¹ = 1445164141 is a prime.

It is a super-3 number, since 3×1445164143³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445164141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155946 + ... + 164952.

It is an arithmetic number, because the mean of its divisors is an integer number (122148480).

Almost surely, 2^1445164143 is an apocalyptic number.

1445164143 is a deficient number, since it is larger than the sum of its proper divisors (509211537).

1445164143 is an equidigital number, since it uses as much as digits as its factorization.

1445164143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766.

The product of its digits is 23040, while the sum is 33.

The square root of 1445164143 is about 38015.3145850459. The cubic root of 1445164143 is about 1130.5915254716.

Adding to 1445164143 its reverse (3414615441), we get a palindrome (4859779584).

The spelling of 1445164143 in words is "one billion, four hundred forty-five million, one hundred sixty-four thousand, one hundred forty-three".