1045226450565 has 24 divisors (see below), whose sum is σ = 1976428198368. Its totient is φ = 506776460640.

The previous prime is 1045226450549. The next prime is 1045226450591. The reversal of 1045226450565 is 5650546225401.

1045226450565 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 22 + 64 + 5 + 0 + 565 = 666.

It is not a de Polignac number, because 1045226450565 - 2⁴ = 1045226450549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1045226450565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1055783799 + ... + 1055784788.

It is an arithmetic number, because the mean of its divisors is an integer number (82351174932).

Almost surely, 2^{1045226450565} is an apocalyptic number.

1045226450565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045226450565 is a deficient number, since it is larger than the sum of its proper divisors (931201747803).

1045226450565 is a wasteful number, since it uses less digits than its factorization.

1045226450565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111568609 (or 2111568606 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 1045226450565 in words is "one trillion, forty-five billion, two hundred twenty-six million, four hundred fifty thousand, five hundred sixty-five".