109031145 has 8 divisors (see below), whose sum is σ = 174449856. Its totient is φ = 58149936.

The previous prime is 109031113. The next prime is 109031147. The reversal of 109031145 is 541130901.

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

It is not a de Polignac number, because 109031145 - 2⁵ = 109031113 is a prime.

It is a super-2 number, since 2×109031145² = 23775581160022050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109031147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3634357 + ... + 3634386.

It is an arithmetic number, because the mean of its divisors is an integer number (21806232).

Almost surely, 2^109031145 is an apocalyptic number.

109031145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109031145 is a deficient number, since it is larger than the sum of its proper divisors (65418711).

109031145 is an equidigital number, since it uses as much as digits as its factorization.

109031145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268751.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 109031145 is about 10441.7979773600. The cubic root of 109031145 is about 477.7311107695.

The spelling of 109031145 in words is "one hundred nine million, thirty-one thousand, one hundred forty-five".