445646245 has 32 divisors (see below), whose sum is σ = 630913536. Its totient is φ = 298521600.

The previous prime is 445646209. The next prime is 445646249. The reversal of 445646245 is 542646544.

It is a happy number.

It is not a de Polignac number, because 445646245 - 2¹¹ = 445644197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445646198 and 445646207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445646249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38875 + ... + 49015.

It is an arithmetic number, because the mean of its divisors is an integer number (19716048).

Almost surely, 2^445646245 is an apocalyptic number.

It is an amenable number.

445646245 is a deficient number, since it is larger than the sum of its proper divisors (185267291).

445646245 is a wasteful number, since it uses less digits than its factorization.

445646245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221.

The product of its digits is 460800, while the sum is 40.

The square root of 445646245 is about 21110.3350281325. The cubic root of 445646245 is about 763.8300684028.

The spelling of 445646245 in words is "four hundred forty-five million, six hundred forty-six thousand, two hundred forty-five".