45311330225 has 18 divisors (see below), whose sum is σ = 65359283814. Its totient is φ = 31070625600.

The previous prime is 45311330209. The next prime is 45311330257. The reversal of 45311330225 is 52203311354.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10859515681 + 34451814544 = 104209^2 + 185612^2 .

It is not a de Polignac number, because 45311330225 - 2⁴ = 45311330209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18493196 + ... + 18495645.

It is an arithmetic number, because the mean of its divisors is an integer number (3631071323).

Almost surely, 2^45311330225 is an apocalyptic number.

It is an amenable number.

45311330225 is a deficient number, since it is larger than the sum of its proper divisors (20047953589).

45311330225 is a wasteful number, since it uses less digits than its factorization.

45311330225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36988865 (or 36988853 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 45311330225 its reverse (52203311354), we get a palindrome (97514641579).

The spelling of 45311330225 in words is "forty-five billion, three hundred eleven million, three hundred thirty thousand, two hundred twenty-five".