13045445 has 16 divisors (see below), whose sum is σ = 17990400. Its totient is φ = 8895744.

The previous prime is 13045441. The next prime is 13045453. The reversal of 13045445 is 54454031.

13045445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13045445 - 2² = 13045441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6029 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (1124400).

Almost surely, 2^13045445 is an apocalyptic number.

It is an amenable number.

13045445 is a deficient number, since it is larger than the sum of its proper divisors (4944955).

13045445 is a wasteful number, since it uses less digits than its factorization.

13045445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 13045445 is about 3611.8478650131. The cubic root of 13045445 is about 235.4071409029.

Adding to 13045445 its reverse (54454031), we get a palindrome (67499476).

The spelling of 13045445 in words is "thirteen million, forty-five thousand, four hundred forty-five".