2045895 has 8 divisors (see below), whose sum is σ = 3273456. Its totient is φ = 1091136.

The previous prime is 2045891. The next prime is 2045903. The reversal of 2045895 is 5985402.

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

It is not a de Polignac number, because 2045895 - 2² = 2045891 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68182 + ... + 68211.

It is an arithmetic number, because the mean of its divisors is an integer number (409182).

2^2045895 is an apocalyptic number.

2045895 is a deficient number, since it is larger than the sum of its proper divisors (1227561).

2045895 is a wasteful number, since it uses less digits than its factorization.

2045895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136401.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2045895 is about 1430.3478597880. The cubic root of 2045895 is about 126.9485603984.

The spelling of 2045895 in words is "two million, forty-five thousand, eight hundred ninety-five".