45303145 has 4 divisors (see below), whose sum is σ = 54363780. Its totient is φ = 36242512.

The previous prime is 45303127. The next prime is 45303149. The reversal of 45303145 is 54130354.

45303145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 35964009 + 9339136 = 5997^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 45303145 - 2⁹ = 45302633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45303149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530310 + ... + 4530319.

It is an arithmetic number, because the mean of its divisors is an integer number (13590945).

Almost surely, 2^45303145 is an apocalyptic number.

It is an amenable number.

45303145 is a deficient number, since it is larger than the sum of its proper divisors (9060635).

45303145 is an equidigital number, since it uses as much as digits as its factorization.

45303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060634.

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

The square root of 45303145 is about 6730.7611010940. The cubic root of 45303145 is about 356.4862505983.

Adding to 45303145 its reverse (54130354), we get a palindrome (99433499).

The spelling of 45303145 in words is "forty-five million, three hundred three thousand, one hundred forty-five".