445846345 has 12 divisors (see below), whose sum is σ = 622365444. Its totient is φ = 305723040.

The previous prime is 445846339. The next prime is 445846351. The reversal of 445846345 is 543648544.

It is an interprime number because it is at equal distance from previous prime (445846339) and next prime (445846351).

It can be written as a sum of positive squares in 2 ways, for example, as 181198521 + 264647824 = 13461^2 + 16268^2 .

It is not a de Polignac number, because 445846345 - 2²⁷ = 311628617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909646 + ... + 910135.

It is an arithmetic number, because the mean of its divisors is an integer number (51863787).

Almost surely, 2^445846345 is an apocalyptic number.

It is an amenable number.

445846345 is a deficient number, since it is larger than the sum of its proper divisors (176519099).

445846345 is a wasteful number, since it uses less digits than its factorization.

445846345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819800 (or 1819793 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The square root of 445846345 is about 21115.0738809979. The cubic root of 445846345 is about 763.9443739596.

The spelling of 445846345 in words is "four hundred forty-five million, eight hundred forty-six thousand, three hundred forty-five".