445605401 has 2 divisors, whose sum is σ = 445605402. Its totient is φ = 445605400.

The previous prime is 445605383. The next prime is 445605437. The reversal of 445605401 is 104506544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415344400 + 30261001 = 20380^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 445605401 - 2¹⁰ = 445604377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445605451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222802700 + 222802701.

It is an arithmetic number, because the mean of its divisors is an integer number (222802701).

Almost surely, 2^445605401 is an apocalyptic number.

It is an amenable number.

445605401 is a deficient number, since it is larger than the sum of its proper divisors (1).

445605401 is an equidigital number, since it uses as much as digits as its factorization.

445605401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 445605401 is about 21109.3676125080. The cubic root of 445605401 is about 763.8067323833.

The spelling of 445605401 in words is "four hundred forty-five million, six hundred five thousand, four hundred one".