109455549 has 16 divisors (see below), whose sum is σ = 167913600. Its totient is φ = 62124480.

The previous prime is 109455539. The next prime is 109455553. The reversal of 109455549 is 945554901.

It is not a de Polignac number, because 109455549 - 2¹² = 109451453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109455549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109455539) 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 15 ways as a sum of consecutive naturals, for example, 14362 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (10494600).

Almost surely, 2^109455549 is an apocalyptic number.

It is an amenable number.

109455549 is a deficient number, since it is larger than the sum of its proper divisors (58458051).

109455549 is a wasteful number, since it uses less digits than its factorization.

109455549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35140.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 109455549 is about 10462.1006016956. The cubic root of 109455549 is about 478.3501647477.

The spelling of 109455549 in words is "one hundred nine million, four hundred fifty-five thousand, five hundred forty-nine".