1443166245313 has 32 divisors (see below), whose sum is σ = 1580663276192. Its totient is φ = 1309652582400.

The previous prime is 1443166245263. The next prime is 1443166245331. The reversal of 1443166245313 is 3135426613441.

It can be written as a sum of positive squares in 16 ways, for example, as 849553010944 + 593613234369 = 921712^2 + 770463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443166245313 - 2¹⁷ = 1443166114241 is a prime.

It is a super-2 number, since 2×1443166245313² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1443166245313.

It is not an unprimeable number, because it can be changed into a prime (1443166545313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235769893 + ... + 235776013.

It is an arithmetic number, because the mean of its divisors is an integer number (49395727381).

Almost surely, 2^{1443166245313} is an apocalyptic number.

1443166245313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1443166245313 is a deficient number, since it is larger than the sum of its proper divisors (137497030879).

1443166245313 is a wasteful number, since it uses less digits than its factorization.

1443166245313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its digits is 622080, while the sum is 43.

The spelling of 1443166245313 in words is "one trillion, four hundred forty-three billion, one hundred sixty-six million, two hundred forty-five thousand, three hundred thirteen".