109194745 has 16 divisors (see below), whose sum is σ = 143425152. Its totient is φ = 79148160.

The previous prime is 109194739. The next prime is 109194763. The reversal of 109194745 is 547491901.

It is not a de Polignac number, because 109194745 - 2³ = 109194737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109194698 and 109194707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14044 + ... + 20386.

It is an arithmetic number, because the mean of its divisors is an integer number (8964072).

Almost surely, 2^109194745 is an apocalyptic number.

It is an amenable number.

109194745 is a deficient number, since it is larger than the sum of its proper divisors (34230407).

109194745 is a wasteful number, since it uses less digits than its factorization.

109194745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 109194745 is about 10449.6289407806. The cubic root of 109194745 is about 477.9699347348.

The spelling of 109194745 in words is "one hundred nine million, one hundred ninety-four thousand, seven hundred forty-five".