2045365447 has 8 divisors (see below), whose sum is σ = 2227258800. Its totient is φ = 1870896384.

The previous prime is 2045365433. The next prime is 2045365457. The reversal of 2045365447 is 7445635402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045365447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045365417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855498 + ... + 1856599.

It is an arithmetic number, because the mean of its divisors is an integer number (278407350).

Almost surely, 2^2045365447 is an apocalyptic number.

2045365447 is a deficient number, since it is larger than the sum of its proper divisors (181893353).

2045365447 is a wasteful number, since it uses less digits than its factorization.

2045365447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712145.

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 2045365447 is about 45225.7166554605. The cubic root of 2045365447 is about 1269.3760646512.

The spelling of 2045365447 in words is "two billion, forty-five million, three hundred sixty-five thousand, four hundred forty-seven".