109716345 has 24 divisors (see below), whose sum is σ = 190434816. Its totient is φ = 58435488.

The previous prime is 109716337. The next prime is 109716353. The reversal of 109716345 is 543617901.

109716345 is a `hidden beast` number, since 10 + 9 + 7 + 1 + 634 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (109716337) and next prime (109716353).

It is not a de Polignac number, because 109716345 - 2³ = 109716337 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 47794 + ... + 50036.

It is an arithmetic number, because the mean of its divisors is an integer number (7934784).

Almost surely, 2^109716345 is an apocalyptic number.

109716345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109716345 is a deficient number, since it is larger than the sum of its proper divisors (80718471).

109716345 is a wasteful number, since it uses less digits than its factorization.

109716345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 109716345 is about 10474.5570312066. The cubic root of 109716345 is about 478.7297796112.

The spelling of 109716345 in words is "one hundred nine million, seven hundred sixteen thousand, three hundred forty-five".