109045407 has 4 divisors (see below), whose sum is σ = 145393880. Its totient is φ = 72696936.

The previous prime is 109045403. The next prime is 109045411. The reversal of 109045407 is 704540901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704540901 = 3 ⋅234846967.

It is an interprime number because it is at equal distance from previous prime (109045403) and next prime (109045411).

It is not a de Polignac number, because 109045407 - 2² = 109045403 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18174232 + ... + 18174237.

It is an arithmetic number, because the mean of its divisors is an integer number (36348470).

Almost surely, 2^109045407 is an apocalyptic number.

109045407 is a deficient number, since it is larger than the sum of its proper divisors (36348473).

109045407 is an equidigital number, since it uses as much as digits as its factorization.

109045407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348472.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 109045407 is about 10442.4808833916. The cubic root of 109045407 is about 477.7519399985.

The spelling of 109045407 in words is "one hundred nine million, forty-five thousand, four hundred seven".