45445445 has 8 divisors (see below), whose sum is σ = 54601344. Its totient is φ = 36311824.

The previous prime is 45445441. The next prime is 45445459. The reversal of 45445445 is 54454454.

45445445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45445445 - 2² = 45445441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (6825168).

Almost surely, 2^45445445 is an apocalyptic number.

It is an amenable number.

45445445 is a deficient number, since it is larger than the sum of its proper divisors (9155899).

45445445 is a wasteful number, since it uses less digits than its factorization.

45445445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11139.

The product of its digits is 128000, while the sum is 35.

The square root of 45445445 is about 6741.3236830759. The cubic root of 45445445 is about 356.8591089852.

Adding to 45445445 its reverse (54454454), we get a palindrome (99899899).

Subtracting 45445445 from its reverse (54454454), we obtain a palindrome (9009009).

The spelling of 45445445 in words is "forty-five million, four hundred forty-five thousand, four hundred forty-five".