365545 has 8 divisors (see below), whose sum is σ = 453960. Its totient is φ = 282240.

The previous prime is 365537. The next prime is 365557. The reversal of 365545 is 545563.

It can be written as a sum of positive squares in 4 ways, for example, as 729 + 364816 = 27^2 + 604^2 .

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

It is not a de Polignac number, because 365545 - 2³ = 365537 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1116 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (56745).

2³⁶⁵⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

365545 is a deficient number, since it is larger than the sum of its proper divisors (88415).

365545 is a wasteful number, since it uses less digits than its factorization.

365545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its digits is 9000, while the sum is 28.

The square root of 365545 is about 604.6031756450. The cubic root of 365545 is about 71.5012469830.

Adding to 365545 its product of digits (9000), we get a triangular number (374545 = T₈₆₅).

The spelling of 365545 in words is "three hundred sixty-five thousand, five hundred forty-five".