109045406 has 4 divisors (see below), whose sum is σ = 163568112. Its totient is φ = 54522702.

The previous prime is 109045403. The next prime is 109045411. The reversal of 109045406 is 604540901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604540901 = 23 ⋅26284387.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109045403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27261350 + ... + 27261353.

It is an arithmetic number, because the mean of its divisors is an integer number (40892028).

Almost surely, 2^109045406 is an apocalyptic number.

109045406 is a deficient number, since it is larger than the sum of its proper divisors (54522706).

109045406 is an equidigital number, since it uses as much as digits as its factorization.

109045406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54522705.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 109045406 is about 10442.4808355103. The cubic root of 109045406 is about 477.7519385381.

The spelling of 109045406 in words is "one hundred nine million, forty-five thousand, four hundred six".