745045 has 12 divisors (see below), whose sum is σ = 1040364. Its totient is φ = 510720.

The previous prime is 745037. The next prime is 745051. The reversal of 745045 is 540547.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 194481 = 742^2 + 441^2 .

It is not a de Polignac number, because 745045 - 2³ = 745037 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (86697).

2⁷⁴⁵⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

745045 is a deficient number, since it is larger than the sum of its proper divisors (295319).

745045 is a wasteful number, since it uses less digits than its factorization.

745045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 745045 is about 863.1598924881. The cubic root of 745045 is about 90.6555022177.

The spelling of 745045 in words is "seven hundred forty-five thousand, forty-five".