745045441 has 6 divisors (see below), whose sum is σ = 866685570. Its totient is φ = 638610336.

The previous prime is 745045439. The next prime is 745045459. The reversal of 745045441 is 144540547.

745045441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 651729841 + 93315600 = 25529^2 + 9660^2 .

It is not a de Polignac number, because 745045441 - 2¹ = 745045439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745045397 and 745045406.

It is not an unprimeable number, because it can be changed into a prime (745045241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7602456 + ... + 7602553.

It is an arithmetic number, because the mean of its divisors is an integer number (144447595).

Almost surely, 2^745045441 is an apocalyptic number.

It is an amenable number.

745045441 is a deficient number, since it is larger than the sum of its proper divisors (121640129).

745045441 is a wasteful number, since it uses less digits than its factorization.

745045441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205023 (or 15205016 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 745045441 is about 27295.5205299331. The cubic root of 745045441 is about 906.5552010431. Note that the first 3 decimals are identical.

Adding to 745045441 its reverse (144540547), we get a palindrome (889585988).

The spelling of 745045441 in words is "seven hundred forty-five million, forty-five thousand, four hundred forty-one".