355545 has 12 divisors (see below), whose sum is σ = 616356. Its totient is φ = 189600.

The previous prime is 355541. The next prime is 355549. The reversal of 355545 is 545553.

It is an interprime number because it is at equal distance from previous prime (355541) and next prime (355549).

It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 168921 = 432^2 + 411^2 .

It is not a de Polignac number, because 355545 - 2² = 355541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355541) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3906 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (51363).

2³⁵⁵⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

355545 is a deficient number, since it is larger than the sum of its proper divisors (260811).

355545 is a wasteful number, since it uses less digits than its factorization.

355545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912 (or 7909 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 355545 is about 596.2759428318. The cubic root of 355545 is about 70.8432035458.

It can be divided in two parts, 3555 and 45, that added together give a square (3600 = 60²).

The spelling of 355545 in words is "three hundred fifty-five thousand, five hundred forty-five".