44145663012067 has 2 divisors, whose sum is σ = 44145663012068. Its totient is φ = 44145663012066.

The previous prime is 44145663012043. The next prime is 44145663012103. The reversal of 44145663012067 is 76021036654144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44145663012067 - 2³¹ = 44143515528419 is a prime.

It is a super-2 number, since 2×44145663012067² (a number of 28 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 44145663012067.

It is not a weakly prime, because it can be changed into another prime (44145663012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072831506033 + 22072831506034.

It is an arithmetic number, because the mean of its divisors is an integer number (22072831506034).

Almost surely, 2^{44145663012067} is an apocalyptic number.

44145663012067 is a deficient number, since it is larger than the sum of its proper divisors (1).

44145663012067 is an equidigital number, since it uses as much as digits as its factorization.

44145663012067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 44145663012067 in words is "forty-four trillion, one hundred forty-five billion, six hundred sixty-three million, twelve thousand, sixty-seven".