109465445 has 4 divisors (see below), whose sum is σ = 131358540. Its totient is φ = 87572352.

The previous prime is 109465439. The next prime is 109465451. The reversal of 109465445 is 544564901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544564901 = 9901 ⋅55001.

It is an interprime number because it is at equal distance from previous prime (109465439) and next prime (109465451).

It can be written as a sum of positive squares in 2 ways, for example, as 49758916 + 59706529 = 7054^2 + 7727^2 .

It is a cyclic number.

It is not a de Polignac number, because 109465445 - 2⁸ = 109465189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109465399 and 109465408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10946540 + ... + 10946549.

It is an arithmetic number, because the mean of its divisors is an integer number (32839635).

Almost surely, 2^109465445 is an apocalyptic number.

It is an amenable number.

109465445 is a deficient number, since it is larger than the sum of its proper divisors (21893095).

109465445 is an equidigital number, since it uses as much as digits as its factorization.

109465445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21893094.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 109465445 is about 10462.5735361812. The cubic root of 109465445 is about 478.3645803731.

The spelling of 109465445 in words is "one hundred nine million, four hundred sixty-five thousand, four hundred forty-five".