75845 has 16 divisors (see below), whose sum is σ = 114048. Its totient is φ = 47040.

The previous prime is 75833. The next prime is 75853. The reversal of 75845 is 54857.

75845 = 158² + 159² + 160².

It is not a de Polignac number, because 75845 - 2⁶ = 75781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287 + ... + 483.

It is an arithmetic number, because the mean of its divisors is an integer number (7128).

2⁷⁵⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

75845 is a deficient number, since it is larger than the sum of its proper divisors (38203).

75845 is a wasteful number, since it uses less digits than its factorization.

75845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its digits is 5600, while the sum is 29.

The square root of 75845 is about 275.3997095133. The cubic root of 75845 is about 42.3294200749.

The spelling of 75845 in words is "seventy-five thousand, eight hundred forty-five".