109493845 has 8 divisors (see below), whose sum is σ = 131449176. Its totient is φ = 87557376.

The previous prime is 109493843. The next prime is 109493873. The reversal of 109493845 is 548394901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40401 + 109453444 = 201^2 + 10462^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109493845 - 2¹ = 109493843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109493843) 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, 18129 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (16431147).

Almost surely, 2^109493845 is an apocalyptic number.

It is an amenable number.

109493845 is a deficient number, since it is larger than the sum of its proper divisors (21955331).

109493845 is an equidigital number, since it uses as much as digits as its factorization.

109493845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 109493845 is about 10463.9306668192. The cubic root of 109493845 is about 478.4059461800.

The spelling of 109493845 in words is "one hundred nine million, four hundred ninety-three thousand, eight hundred forty-five".