1045065445 has 16 divisors (see below), whose sum is σ = 1298327040. Its totient is φ = 807041664.

The previous prime is 1045065443. The next prime is 1045065451. The reversal of 1045065445 is 5445605401.

It is a cyclic number.

It is not a de Polignac number, because 1045065445 - 2¹ = 1045065443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045065445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045065443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13305 + ... + 47614.

It is an arithmetic number, because the mean of its divisors is an integer number (81145440).

Almost surely, 2^1045065445 is an apocalyptic number.

It is an amenable number.

1045065445 is a deficient number, since it is larger than the sum of its proper divisors (253261595).

1045065445 is an equidigital number, since it uses as much as digits as its factorization.

1045065445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61044.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1045065445 is about 32327.4719859132. The cubic root of 1045065445 is about 1014.8016453375.

The spelling of 1045065445 in words is "one billion, forty-five million, sixty-five thousand, four hundred forty-five".