109455281 has 8 divisors (see below), whose sum is σ = 120750504. Its totient is φ = 98570880.

The previous prime is 109455277. The next prime is 109455301. The reversal of 109455281 is 182554901.

It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 109411600 = 209^2 + 10460^2 .

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 109455281 - 2² = 109455277 is a prime.

It is a super-2 number, since 2×109455281² = 23960917077577922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109455221) 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 7 ways as a sum of consecutive naturals, for example, 102146 + ... + 103211.

It is an arithmetic number, because the mean of its divisors is an integer number (15093813).

Almost surely, 2^109455281 is an apocalyptic number.

It is an amenable number.

109455281 is a deficient number, since it is larger than the sum of its proper divisors (11295223).

109455281 is a wasteful number, since it uses less digits than its factorization.

109455281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205411.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 109455281 is about 10462.0877935525. The cubic root of 109455281 is about 478.3497743367.

The spelling of 109455281 in words is "one hundred nine million, four hundred fifty-five thousand, two hundred eighty-one".