745459 has 12 divisors (see below), whose sum is σ = 882792. Its totient is φ = 624000.

The previous prime is 745397. The next prime is 745471. The reversal of 745459 is 954547.

It is not a de Polignac number, because 745459 - 2¹⁷ = 614387 is a prime.

It is a Duffinian number.

745459 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (73566).

2⁷⁴⁵⁴⁵⁹ is an apocalyptic number.

745459 is a deficient number, since it is larger than the sum of its proper divisors (137333).

745459 is a wasteful number, since it uses less digits than its factorization.

745459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 425 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 745459 is about 863.3996757007. The cubic root of 745459 is about 90.6722906570.

The spelling of 745459 in words is "seven hundred forty-five thousand, four hundred fifty-nine".