745435489 has 2 divisors, whose sum is σ = 745435490. Its totient is φ = 745435488.

The previous prime is 745435477. The next prime is 745435511. The reversal of 745435489 is 984534547.

It is a happy number.

745435489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 458302464 + 287133025 = 21408^2 + 16945^2 .

It is a cyclic number.

It is not a de Polignac number, because 745435489 - 2¹³ = 745427297 is a prime.

It is not a weakly prime, because it can be changed into another prime (745435429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372717744 + 372717745.

It is an arithmetic number, because the mean of its divisors is an integer number (372717745).

Almost surely, 2^745435489 is an apocalyptic number.

It is an amenable number.

745435489 is a deficient number, since it is larger than the sum of its proper divisors (1).

745435489 is an equidigital number, since it uses as much as digits as its factorization.

745435489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The square root of 745435489 is about 27302.6645036707. The cubic root of 745435489 is about 906.7133741046.

The spelling of 745435489 in words is "seven hundred forty-five million, four hundred thirty-five thousand, four hundred eighty-nine".