109544 has 8 divisors (see below), whose sum is σ = 205410. Its totient is φ = 54768.

The previous prime is 109541. The next prime is 109547. The reversal of 109544 is 445901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109541) and next prime (109547).

It can be written as a sum of positive squares in only one way, i.e., 56644 + 52900 = 238^2 + 230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

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 as a sum of consecutive naturals, namely, 6839 + ... + 6854.

2¹⁰⁹⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

109544 is a deficient number, since it is larger than the sum of its proper divisors (95866).

109544 is a wasteful number, since it uses less digits than its factorization.

109544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13699 (or 13695 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 109544 is about 330.9743192455. The cubic root of 109544 is about 47.8478981602.

The spelling of 109544 in words is "one hundred nine thousand, five hundred forty-four".