355845 has 16 divisors (see below), whose sum is σ = 650880. Its totient is φ = 162624.

The previous prime is 355841. The next prime is 355847. The reversal of 355845 is 548553.

It is not a de Polignac number, because 355845 - 2² = 355841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (40680).

2³⁵⁵⁸⁴⁵ is an apocalyptic number.

355845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

355845 is a deficient number, since it is larger than the sum of its proper divisors (295035).

355845 is a wasteful number, since it uses less digits than its factorization.

355845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its digits is 12000, while the sum is 30.

The square root of 355845 is about 596.5274511705. The cubic root of 355845 is about 70.8631231868.

The spelling of 355845 in words is "three hundred fifty-five thousand, eight hundred forty-five".