109901345 has 8 divisors (see below), whose sum is σ = 139639464. Its totient is φ = 82749184.

The previous prime is 109901333. The next prime is 109901347. The reversal of 109901345 is 543109901.

It can be written as a sum of positive squares in 4 ways, for example, as 22591009 + 87310336 = 4753^2 + 9344^2 .

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 109901345 - 2⁸ = 109901089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109901347) 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, 646394 + ... + 646563.

It is an arithmetic number, because the mean of its divisors is an integer number (17454933).

Almost surely, 2^109901345 is an apocalyptic number.

It is an amenable number.

109901345 is a deficient number, since it is larger than the sum of its proper divisors (29738119).

109901345 is a wasteful number, since it uses less digits than its factorization.

109901345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292979.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 109901345 is about 10483.3842341107. The cubic root of 109901345 is about 478.9987011876.

The spelling of 109901345 in words is "one hundred nine million, nine hundred one thousand, three hundred forty-five".