109741945 has 16 divisors (see below), whose sum is σ = 139138560. Its totient is φ = 82957504.

The previous prime is 109741943. The next prime is 109741949. The reversal of 109741945 is 549147901.

It is a cyclic number.

It is not a de Polignac number, because 109741945 - 2¹ = 109741943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109741898 and 109741907.

It is not an unprimeable number, because it can be changed into a prime (109741943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (8696160).

Almost surely, 2^109741945 is an apocalyptic number.

It is an amenable number.

109741945 is a deficient number, since it is larger than the sum of its proper divisors (29396615).

109741945 is a wasteful number, since it uses less digits than its factorization.

109741945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16184.

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

The square root of 109741945 is about 10475.7789686495. The cubic root of 109741945 is about 478.7670105553.

The spelling of 109741945 in words is "one hundred nine million, seven hundred forty-one thousand, nine hundred forty-five".