109445069 has 2 divisors, whose sum is σ = 109445070. Its totient is φ = 109445068.

The previous prime is 109445051. The next prime is 109445081. The reversal of 109445069 is 960544901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 36120100 = 8563^2 + 6010^2 .

It is a cyclic number.

It is not a de Polignac number, because 109445069 - 2¹² = 109440973 is a prime.

It is a super-2 number, since 2×109445069² = 23956446256829522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109445029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54722534 + 54722535.

It is an arithmetic number, because the mean of its divisors is an integer number (54722535).

Almost surely, 2^109445069 is an apocalyptic number.

It is an amenable number.

109445069 is a deficient number, since it is larger than the sum of its proper divisors (1).

109445069 is an equidigital number, since it uses as much as digits as its factorization.

109445069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 109445069 is about 10461.5997342663. The cubic root of 109445069 is about 478.3348974550.

The spelling of 109445069 in words is "one hundred nine million, four hundred forty-five thousand, sixty-nine".