4195845 has 12 divisors (see below), whose sum is σ = 7272876. Its totient is φ = 2237760.

The previous prime is 4195823. The next prime is 4195847. The reversal of 4195845 is 5485914.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 1790244 = 1551^2 + 1338^2 .

It is not a de Polignac number, because 4195845 - 2⁸ = 4195589 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46576 + ... + 46665.

It is an arithmetic number, because the mean of its divisors is an integer number (606073).

Almost surely, 2^4195845 is an apocalyptic number.

4195845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4195845 is a deficient number, since it is larger than the sum of its proper divisors (3077031).

4195845 is a wasteful number, since it uses less digits than its factorization.

4195845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93252 (or 93249 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4195845 is about 2048.3761861533. The cubic root of 4195845 is about 161.2896423176.

The spelling of 4195845 in words is "four million, one hundred ninety-five thousand, eight hundred forty-five".