445381955 has 12 divisors (see below), whose sum is σ = 536888352. Its totient is φ = 354692640.

The previous prime is 445381919. The next prime is 445381961. The reversal of 445381955 is 559183544.

It is a happy number.

It is not a de Polignac number, because 445381955 - 2²² = 441187651 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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361190 + ... + 362420.

It is an arithmetic number, because the mean of its divisors is an integer number (44740696).

Almost surely, 2^445381955 is an apocalyptic number.

445381955 is a deficient number, since it is larger than the sum of its proper divisors (91506397).

445381955 is an equidigital number, since it uses as much as digits as its factorization.

445381955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1505 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The square root of 445381955 is about 21104.0743696567. The cubic root of 445381955 is about 763.6790423585.

The spelling of 445381955 in words is "four hundred forty-five million, three hundred eighty-one thousand, nine hundred fifty-five".