45140305 has 16 divisors (see below), whose sum is σ = 62924544. Its totient is φ = 30444480.

The previous prime is 45140299. The next prime is 45140311. The reversal of 45140305 is 50304154.

It is an interprime number because it is at equal distance from previous prime (45140299) and next prime (45140311).

It is a de Polignac number, because none of the positive numbers 2^k-45140305 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 15 ways as a sum of consecutive naturals, for example, 8437 + ... + 12706.

It is an arithmetic number, because the mean of its divisors is an integer number (3932784).

Almost surely, 2^45140305 is an apocalyptic number.

It is an amenable number.

45140305 is a deficient number, since it is larger than the sum of its proper divisors (17784239).

45140305 is a wasteful number, since it uses less digits than its factorization.

45140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45140305 is about 6718.6535109351. The cubic root of 45140305 is about 356.0586135237.

Adding to 45140305 its reverse (50304154), we get a palindrome (95444459).

The spelling of 45140305 in words is "forty-five million, one hundred forty thousand, three hundred five".