8345445 has 16 divisors (see below), whose sum is σ = 13408512. Its totient is φ = 4432320.

The previous prime is 8345431. The next prime is 8345459. The reversal of 8345445 is 5445438.

It is an interprime number because it is at equal distance from previous prime (8345431) and next prime (8345459).

It is not a de Polignac number, because 8345445 - 2⁴ = 8345429 is a prime.

8345445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (838032).

Almost surely, 2^8345445 is an apocalyptic number.

It is an amenable number.

8345445 is a deficient number, since it is larger than the sum of its proper divisors (5063067).

8345445 is a wasteful number, since it uses less digits than its factorization.

8345445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its digits is 38400, while the sum is 33.

The square root of 8345445 is about 2888.8483864682. The cubic root of 8345445 is about 202.8382397770.

The spelling of 8345445 in words is "eight million, three hundred forty-five thousand, four hundred forty-five".