106397345 has 4 divisors (see below), whose sum is σ = 127676820. Its totient is φ = 85117872.

The previous prime is 106397323. The next prime is 106397371. The reversal of 106397345 is 543793601.

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: 543793601 = 13 ⋅41830277.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 94789696 = 3407^2 + 9736^2 .

It is a cyclic number.

It is not a de Polignac number, because 106397345 - 2¹⁸ = 106135201 is a prime.

It is a super-2 number, since 2×106397345² = 22640790046098050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 106397299 and 106397308.

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, 10639730 + ... + 10639739.

It is an arithmetic number, because the mean of its divisors is an integer number (31919205).

Almost surely, 2^106397345 is an apocalyptic number.

It is an amenable number.

106397345 is a deficient number, since it is larger than the sum of its proper divisors (21279475).

106397345 is an equidigital number, since it uses as much as digits as its factorization.

106397345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279474.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 106397345 is about 10314.9088701743. The cubic root of 106397345 is about 473.8529590136.

The spelling of 106397345 in words is "one hundred six million, three hundred ninety-seven thousand, three hundred forty-five".