2945305 has 8 divisors (see below), whose sum is σ = 3855744. Its totient is φ = 2142000.

The previous prime is 2945303. The next prime is 2945309. The reversal of 2945305 is 5035492.

2945305 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 not a de Polignac number, because 2945305 - 2¹ = 2945303 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945303) 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 7 ways as a sum of consecutive naturals, for example, 26721 + ... + 26830.

It is an arithmetic number, because the mean of its divisors is an integer number (481968).

2^2945305 is an apocalyptic number.

It is an amenable number.

2945305 is a deficient number, since it is larger than the sum of its proper divisors (910439).

2945305 is a wasteful number, since it uses less digits than its factorization.

2945305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53567.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2945305 is about 1716.1890921457. The cubic root of 2945305 is about 143.3430886936.

The spelling of 2945305 in words is "two million, nine hundred forty-five thousand, three hundred five".