45505205 has 8 divisors (see below), whose sum is σ = 56489400. Its totient is φ = 35148736.

The previous prime is 45505193. The next prime is 45505237. The reversal of 45505205 is 50250554.

It can be written as a sum of positive squares in 4 ways, for example, as 6280036 + 39225169 = 2506^2 + 6263^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45505205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156770 + ... + 157059.

It is an arithmetic number, because the mean of its divisors is an integer number (7061175).

Almost surely, 2^45505205 is an apocalyptic number.

It is an amenable number.

45505205 is a deficient number, since it is larger than the sum of its proper divisors (10984195).

45505205 is a wasteful number, since it uses less digits than its factorization.

45505205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313863.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 45505205 is about 6745.7545908519. The cubic root of 45505205 is about 357.0154617244.

Adding to 45505205 its reverse (50250554), we get a palindrome (95755759).

The spelling of 45505205 in words is "forty-five million, five hundred five thousand, two hundred five".