44445345 has 16 divisors (see below), whose sum is σ = 81271680. Its totient is φ = 20317824.

The previous prime is 44445337. The next prime is 44445347. The reversal of 44445345 is 54354444.

It is a happy number.

It is not a de Polignac number, because 44445345 - 2³ = 44445337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44445347) 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, 211540 + ... + 211749.

It is an arithmetic number, because the mean of its divisors is an integer number (5079480).

Almost surely, 2^44445345 is an apocalyptic number.

It is an amenable number.

44445345 is a deficient number, since it is larger than the sum of its proper divisors (36826335).

44445345 is a wasteful number, since it uses less digits than its factorization.

44445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423304.

The product of its digits is 76800, while the sum is 33.

The square root of 44445345 is about 6666.7342079912. The cubic root of 44445345 is about 354.2219155024.

Adding to 44445345 its reverse (54354444), we get a palindrome (98799789).

Subtracting 44445345 from its reverse (54354444), we obtain a palindrome (9909099).

The spelling of 44445345 in words is "forty-four million, four hundred forty-five thousand, three hundred forty-five".