445408121 has 8 divisors (see below), whose sum is σ = 447828480. Its totient is φ = 442993792.

The previous prime is 445408097. The next prime is 445408163. The reversal of 445408121 is 121804544.

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 445408121 - 2⁶ = 445408057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445408181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243416 + ... + 245238.

It is an arithmetic number, because the mean of its divisors is an integer number (55978560).

Almost surely, 2^445408121 is an apocalyptic number.

It is an amenable number.

445408121 is a deficient number, since it is larger than the sum of its proper divisors (2420359).

445408121 is a wasteful number, since it uses less digits than its factorization.

445408121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 445408121 is about 21104.6942882383. The cubic root of 445408121 is about 763.6939973383.

The spelling of 445408121 in words is "four hundred forty-five million, four hundred eight thousand, one hundred twenty-one".