445223141 has 8 divisors (see below), whose sum is σ = 497544768. Its totient is φ = 394876000.

The previous prime is 445223137. The next prime is 445223173. The reversal of 445223141 is 141322544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445223141 - 2² = 445223137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 445223141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445223741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 493145 + ... + 494046.

It is an arithmetic number, because the mean of its divisors is an integer number (62193096).

Almost surely, 2^445223141 is an apocalyptic number.

445223141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

445223141 is a deficient number, since it is larger than the sum of its proper divisors (52321627).

445223141 is a wasteful number, since it uses less digits than its factorization.

445223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987243.

The product of its digits is 3840, while the sum is 26.

The square root of 445223141 is about 21100.3113958065. The cubic root of 445223141 is about 763.5882608464.

Adding to 445223141 its reverse (141322544), we get a palindrome (586545685).

The spelling of 445223141 in words is "four hundred forty-five million, two hundred twenty-three thousand, one hundred forty-one".