45206305 has 4 divisors (see below), whose sum is σ = 54247572. Its totient is φ = 36165040.

The previous prime is 45206303. The next prime is 45206321. The reversal of 45206305 is 50360254.

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 34857216 + 10349089 = 5904^2 + 3217^2 .

It is not a de Polignac number, because 45206305 - 2¹ = 45206303 is a prime.

It is a super-2 number, since 2×45206305² = 4087220023506050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45206305.

It is not an unprimeable number, because it can be changed into a prime (45206303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4520626 + ... + 4520635.

It is an arithmetic number, because the mean of its divisors is an integer number (13561893).

Almost surely, 2^45206305 is an apocalyptic number.

It is an amenable number.

45206305 is a deficient number, since it is larger than the sum of its proper divisors (9041267).

45206305 is an equidigital number, since it uses as much as digits as its factorization.

45206305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041266.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45206305 is about 6723.5634153327. The cubic root of 45206305 is about 356.2320610645.

Adding to 45206305 its reverse (50360254), we get a palindrome (95566559).

The spelling of 45206305 in words is "forty-five million, two hundred six thousand, three hundred five".