109549 has 8 divisors (see below), whose sum is σ = 124992. Its totient is φ = 95040.

The previous prime is 109547. The next prime is 109567. The reversal of 109549 is 945901.

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

It is not a de Polignac number, because 109549 - 2¹ = 109547 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 469.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2¹⁰⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

109549 is a deficient number, since it is larger than the sum of its proper divisors (15443).

109549 is a wasteful number, since it uses less digits than its factorization.

109549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 109549 is about 330.9818726154. The cubic root of 109549 is about 47.8486261351.

It can be divided in two parts, 10 and 9549, that added together give a palindrome (9559).

The spelling of 109549 in words is "one hundred nine thousand, five hundred forty-nine".