45450505 has 8 divisors (see below), whose sum is σ = 55081224. Its totient is φ = 36000000.

The previous prime is 45450499. The next prime is 45450523. The reversal of 45450505 is 50505454.

It can be written as a sum of positive squares in 4 ways, for example, as 32353344 + 13097161 = 5688^2 + 3619^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-45450505 is a prime.

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

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 7 ways as a sum of consecutive naturals, for example, 44496 + ... + 45505.

It is an arithmetic number, because the mean of its divisors is an integer number (6885153).

Almost surely, 2^45450505 is an apocalyptic number.

It is an amenable number.

45450505 is a deficient number, since it is larger than the sum of its proper divisors (9630719).

45450505 is a wasteful number, since it uses less digits than its factorization.

45450505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90107.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 45450505 is about 6741.6989698443. The cubic root of 45450505 is about 356.8723529973.

Adding to 45450505 its reverse (50505454), we get a palindrome (95955959).

The spelling of 45450505 in words is "forty-five million, four hundred fifty thousand, five hundred five".