45306145 has 4 divisors (see below), whose sum is σ = 54367380. Its totient is φ = 36244912.

The previous prime is 45306143. The next prime is 45306161. The reversal of 45306145 is 54160354.

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 32353344 + 12952801 = 5688^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 45306145 - 2¹ = 45306143 is a prime.

It is a super-3 number, since 3×45306145³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (45306143) by changing a digit.

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, 4530610 + ... + 4530619.

It is an arithmetic number, because the mean of its divisors is an integer number (13591845).

Almost surely, 2^45306145 is an apocalyptic number.

It is an amenable number.

45306145 is a deficient number, since it is larger than the sum of its proper divisors (9061235).

45306145 is an equidigital number, since it uses as much as digits as its factorization.

45306145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061234.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45306145 is about 6730.9839548167. The cubic root of 45306145 is about 356.4941193320.

Adding to 45306145 its reverse (54160354), we get a palindrome (99466499).

It can be divided in two parts, 45306 and 145, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 45306145 in words is "forty-five million, three hundred six thousand, one hundred forty-five".