1648045 has 8 divisors (see below), whose sum is σ = 2260224. Its totient is φ = 1130064.

The previous prime is 1648039. The next prime is 1648057. The reversal of 1648045 is 5408461.

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 1648045 - 2⁷ = 1647917 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 23509 + ... + 23578.

It is an arithmetic number, because the mean of its divisors is an integer number (282528).

2^1648045 is an apocalyptic number.

It is an amenable number.

1648045 is a deficient number, since it is larger than the sum of its proper divisors (612179).

1648045 is an equidigital number, since it uses as much as digits as its factorization.

1648045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47099.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1648045 is about 1283.7620496027. The cubic root of 1648045 is about 118.1198867732.

The spelling of 1648045 in words is "one million, six hundred forty-eight thousand, forty-five".