109453449 has 8 divisors (see below), whose sum is σ = 166786240. Its totient is φ = 62544816.

The previous prime is 109453417. The next prime is 109453451. The reversal of 109453449 is 944354901.

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

It is not a de Polignac number, because 109453449 - 2⁵ = 109453417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109453049) 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, 2606014 + ... + 2606055.

It is an arithmetic number, because the mean of its divisors is an integer number (20848280).

Almost surely, 2^109453449 is an apocalyptic number.

It is an amenable number.

109453449 is a deficient number, since it is larger than the sum of its proper divisors (57332791).

109453449 is an equidigital number, since it uses as much as digits as its factorization.

109453449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212079.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 109453449 is about 10462.0002389600. Note that the first 3 decimals coincide. The cubic root of 109453449 is about 478.3471055400.

Subtracting from 109453449 its sum of digits (39), we obtain a triangular number (109453410 = T₁₄₇₉₅).

The spelling of 109453449 in words is "one hundred nine million, four hundred fifty-three thousand, four hundred forty-nine".