109546 has 4 divisors (see below), whose sum is σ = 164322. Its totient is φ = 54772.

The previous prime is 109541. The next prime is 109547. The reversal of 109546 is 645901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 44521 = 255^2 + 211^2 .

It is a super-2 number, since 2×109546² = 24000652232, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 109546.

It is not an unprimeable number, because it can be changed into a prime (109541) 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 as a sum of consecutive naturals, namely, 27385 + ... + 27388.

2¹⁰⁹⁵⁴⁶ is an apocalyptic number.

109546 is a deficient number, since it is larger than the sum of its proper divisors (54776).

109546 is an equidigital number, since it uses as much as digits as its factorization.

109546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54775.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 109546 is about 330.9773406141. The cubic root of 109546 is about 47.8481893528.

The spelling of 109546 in words is "one hundred nine thousand, five hundred forty-six".