45144545 has 8 divisors (see below), whose sum is σ = 54210624. Its totient is φ = 36090864.

The previous prime is 45144529. The next prime is 45144557. The reversal of 45144545 is 54544154.

45144545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45144545 - 2⁴ = 45144529 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9812 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (6776328).

Almost surely, 2^45144545 is an apocalyptic number.

It is an amenable number.

45144545 is a deficient number, since it is larger than the sum of its proper divisors (9066079).

45144545 is a wasteful number, since it uses less digits than its factorization.

45144545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199.

The product of its digits is 32000, while the sum is 32.

The square root of 45144545 is about 6718.9690429410. The cubic root of 45144545 is about 356.0697612941.

Adding to 45144545 its reverse (54544154), we get a palindrome (99688699).

The spelling of 45144545 in words is "forty-five million, one hundred forty-four thousand, five hundred forty-five".