445452652145 has 24 divisors (see below), whose sum is σ = 591665003496. Its totient is φ = 320817018368.

The previous prime is 445452652103. The next prime is 445452652147. The reversal of 445452652145 is 541256254544.

It can be written as a sum of positive squares in 4 ways, for example, as 98983856689 + 346468795456 = 314617^2 + 588616^2 .

It is not a de Polignac number, because 445452652145 - 2⁶ = 445452652081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445452652145.

It is not an unprimeable number, because it can be changed into a prime (445452652147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4908362 + ... + 4998291.

It is an arithmetic number, because the mean of its divisors is an integer number (24652708479).

Almost surely, 2^445452652145 is an apocalyptic number.

It is an amenable number.

445452652145 is a deficient number, since it is larger than the sum of its proper divisors (146212351351).

445452652145 is a wasteful number, since it uses less digits than its factorization.

445452652145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906721 (or 9906698 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 47.

The spelling of 445452652145 in words is "four hundred forty-five billion, four hundred fifty-two million, six hundred fifty-two thousand, one hundred forty-five".