45223505 has 4 divisors (see below), whose sum is σ = 54268212. Its totient is φ = 36178800.

The previous prime is 45223429. The next prime is 45223523. The reversal of 45223505 is 50532254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28174864 + 17048641 = 5308^2 + 4129^2 .

It is not a de Polignac number, because 45223505 - 2²² = 41029201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522346 + ... + 4522355.

It is an arithmetic number, because the mean of its divisors is an integer number (13567053).

Almost surely, 2^45223505 is an apocalyptic number.

It is an amenable number.

45223505 is a deficient number, since it is larger than the sum of its proper divisors (9044707).

45223505 is an equidigital number, since it uses as much as digits as its factorization.

45223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044706.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 45223505 is about 6724.8423773350. The cubic root of 45223505 is about 356.2772348113.

Adding to 45223505 its reverse (50532254), we get a palindrome (95755759).

The spelling of 45223505 in words is "forty-five million, two hundred twenty-three thousand, five hundred five".