45050945 has 8 divisors (see below), whose sum is σ = 54336744. Its totient is φ = 35857024.

The previous prime is 45050939. The next prime is 45050947. The reversal of 45050945 is 54905054.

It is a happy number.

45050945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6712²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 10394176 + 34656769 = 3224^2 + 5887^2 .

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 45050945 - 2²⁰ = 44002369 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45050947) 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, 21884 + ... + 23853.

It is an arithmetic number, because the mean of its divisors is an integer number (6792093).

Almost surely, 2^45050945 is an apocalyptic number.

It is an amenable number.

45050945 is a deficient number, since it is larger than the sum of its proper divisors (9285799).

45050945 is a wasteful number, since it uses less digits than its factorization.

45050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45939.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45050945 is about 6712.0000744934. Note that the first 4 decimals coincide. The cubic root of 45050945 is about 355.8235064421.

Adding to 45050945 its reverse (54905054), we get a palindrome (99955999).

The spelling of 45050945 in words is "forty-five million, fifty thousand, nine hundred forty-five".