45220523405 has 8 divisors (see below), whose sum is σ = 54274261272. Its totient is φ = 36169996608.

The previous prime is 45220523401. The next prime is 45220523417. The reversal of 45220523405 is 50432502254.

It can be written as a sum of positive squares in 4 ways, for example, as 1695298276 + 43525225129 = 41174^2 + 208627^2 .

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 45220523405 - 2² = 45220523401 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 (45220523401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771674 + ... + 828203.

It is an arithmetic number, because the mean of its divisors is an integer number (6784282659).

Almost surely, 2^45220523405 is an apocalyptic number.

It is an amenable number.

45220523405 is a deficient number, since it is larger than the sum of its proper divisors (9053737867).

45220523405 is a wasteful number, since it uses less digits than its factorization.

45220523405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605535.

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 45220523405 in words is "forty-five billion, two hundred twenty million, five hundred twenty-three thousand, four hundred five".