109691045 has 8 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 87688720.

The previous prime is 109691039. The next prime is 109691053. The reversal of 109691045 is 540196901.

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

It is not a de Polignac number, because 109691045 - 2¹⁴ = 109674661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109690996 and 109691014.

It is a congruent number.

It is an unprimeable number.

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, 296 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (16465680).

Almost surely, 2^109691045 is an apocalyptic number.

It is an amenable number.

109691045 is a deficient number, since it is larger than the sum of its proper divisors (22034395).

109691045 is a wasteful number, since it uses less digits than its factorization.

109691045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16035.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 109691045 is about 10473.3492732745. The cubic root of 109691045 is about 478.6929792769.

The spelling of 109691045 in words is "one hundred nine million, six hundred ninety-one thousand, forty-five".