445742205 has 32 divisors (see below), whose sum is σ = 724598784. Its totient is φ = 233956416.

The previous prime is 445742197. The next prime is 445742207. The reversal of 445742205 is 502247544.

It is not a de Polignac number, because 445742205 - 2³ = 445742197 is a prime.

It is a super-2 number, since 2×445742205² = 397372226636524050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445742207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267204 + ... + 268866.

It is an arithmetic number, because the mean of its divisors is an integer number (22643712).

Almost surely, 2^445742205 is an apocalyptic number.

It is an amenable number.

445742205 is a deficient number, since it is larger than the sum of its proper divisors (278856579).

445742205 is a wasteful number, since it uses less digits than its factorization.

445742205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 445742205 is about 21112.6077261905. The cubic root of 445742205 is about 763.8848890697.

Adding to 445742205 its reverse (502247544), we get a palindrome (947989749).

The spelling of 445742205 in words is "four hundred forty-five million, seven hundred forty-two thousand, two hundred five".