445348645 has 16 divisors (see below), whose sum is σ = 612321408. Its totient is φ = 304603200.

The previous prime is 445348591. The next prime is 445348649. The reversal of 445348645 is 546843544.

It is not a de Polignac number, because 445348645 - 2¹¹ = 445346597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445348649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (38270088).

Almost surely, 2^445348645 is an apocalyptic number.

It is an amenable number.

445348645 is a deficient number, since it is larger than the sum of its proper divisors (166972763).

445348645 is a wasteful number, since it uses less digits than its factorization.

445348645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32460.

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

The square root of 445348645 is about 21103.2851707975. The cubic root of 445348645 is about 763.6600034318.

The spelling of 445348645 in words is "four hundred forty-five million, three hundred forty-eight thousand, six hundred forty-five".