109849545 has 48 divisors (see below), whose sum is σ = 215866560. Its totient is φ = 51228288.

The previous prime is 109849543. The next prime is 109849561. The reversal of 109849545 is 545948901.

109849545 is a `hidden beast` number, since 10 + 98 + 4 + 9 + 545 = 666.

It is not a de Polignac number, because 109849545 - 2¹ = 109849543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 109849545.

It is not an unprimeable number, because it can be changed into a prime (109849543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6174 + ... + 16056.

It is an arithmetic number, because the mean of its divisors is an integer number (4497220).

Almost surely, 2^109849545 is an apocalyptic number.

109849545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109849545 is a deficient number, since it is larger than the sum of its proper divisors (106017015).

109849545 is a wasteful number, since it uses less digits than its factorization.

109849545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926 (or 9923 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 109849545 is about 10480.9133666871. The cubic root of 109849545 is about 478.9234335859.

The spelling of 109849545 in words is "one hundred nine million, eight hundred forty-nine thousand, five hundred forty-five".