109246145 has 8 divisors (see below), whose sum is σ = 132393960. Its totient is φ = 86531200.

The previous prime is 109246133. The next prime is 109246147. The reversal of 109246145 is 541642901.

It can be written as a sum of positive squares in 4 ways, for example, as 49168144 + 60078001 = 7012^2 + 7751^2 .

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

It is not a de Polignac number, because 109246145 - 2¹⁰ = 109245121 is a prime.

It is a super-2 number, since 2×109246145² = 23869440394722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109246147) 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, 107660 + ... + 108669.

It is an arithmetic number, because the mean of its divisors is an integer number (16549245).

Almost surely, 2^109246145 is an apocalyptic number.

It is an amenable number.

109246145 is a deficient number, since it is larger than the sum of its proper divisors (23147815).

109246145 is a wasteful number, since it uses less digits than its factorization.

109246145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216435.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 109246145 is about 10452.0880688980. The cubic root of 109246145 is about 478.0449194203.

The spelling of 109246145 in words is "one hundred nine million, two hundred forty-six thousand, one hundred forty-five".