44563145617066 has 4 divisors (see below), whose sum is σ = 66844718425602. Its totient is φ = 22281572808532.

The previous prime is 44563145617063. The next prime is 44563145617093. The reversal of 44563145617066 is 66071654136544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32334633186025 + 12228512431041 = 5686355^2 + 3496929^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 44563145617066.

It is not an unprimeable number, because it can be changed into a prime (44563145617063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11140786404265 + ... + 11140786404268.

Almost surely, 2^{44563145617066} is an apocalyptic number.

44563145617066 is a deficient number, since it is larger than the sum of its proper divisors (22281572808536).

44563145617066 is a wasteful number, since it uses less digits than its factorization.

44563145617066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22281572808535.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 44563145617066 in words is "forty-four trillion, five hundred sixty-three billion, one hundred forty-five million, six hundred seventeen thousand, sixty-six".