745456565 has 16 divisors (see below), whose sum is σ = 1066791168. Its totient is φ = 488944896.

The previous prime is 745456553. The next prime is 745456577. The reversal of 745456565 is 565654547.

It is an interprime number because it is at equal distance from previous prime (745456553) and next prime (745456577).

It is a cyclic number.

It is not a de Polignac number, because 745456565 - 2¹⁰ = 745455541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462212 + ... + 463821.

It is an arithmetic number, because the mean of its divisors is an integer number (66674448).

Almost surely, 2^745456565 is an apocalyptic number.

It is an amenable number.

745456565 is a deficient number, since it is larger than the sum of its proper divisors (321334603).

745456565 is a wasteful number, since it uses less digits than its factorization.

745456565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926068.

The product of its digits is 2520000, while the sum is 47.

The square root of 745456565 is about 27303.0504705976. The cubic root of 745456565 is about 906.7219193158.

The spelling of 745456565 in words is "seven hundred forty-five million, four hundred fifty-six thousand, five hundred sixty-five".