109148449 has 8 divisors (see below), whose sum is σ = 115675560. Its totient is φ = 102633216.

The previous prime is 109148447. The next prime is 109148461. The reversal of 109148449 is 944841901.

It can be written as a sum of positive squares in 4 ways, for example, as 39125025 + 70023424 = 6255^2 + 8368^2 .

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

It is not a de Polignac number, because 109148449 - 2¹ = 109148447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109148447) 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 in 7 ways as a sum of consecutive naturals, for example, 22047 + ... + 26539.

It is an arithmetic number, because the mean of its divisors is an integer number (14459445).

Almost surely, 2^109148449 is an apocalyptic number.

It is an amenable number.

109148449 is a deficient number, since it is larger than the sum of its proper divisors (6527111).

109148449 is a wasteful number, since it uses less digits than its factorization.

109148449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 109148449 is about 10447.4135076582. The cubic root of 109148449 is about 477.9023758545.

The spelling of 109148449 in words is "one hundred nine million, one hundred forty-eight thousand, four hundred forty-nine".