445938401 has 2 divisors, whose sum is σ = 445938402. Its totient is φ = 445938400.

The previous prime is 445938377. The next prime is 445938553. The reversal of 445938401 is 104839544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261630625 + 184307776 = 16175^2 + 13576^2 .

It is a cyclic number.

It is not a de Polignac number, because 445938401 - 2¹⁰ = 445937377 is a prime.

It is a super-2 number, since 2×445938401² = 397722114972873602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445931401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222969200 + 222969201.

It is an arithmetic number, because the mean of its divisors is an integer number (222969201).

Almost surely, 2^445938401 is an apocalyptic number.

It is an amenable number.

445938401 is a deficient number, since it is larger than the sum of its proper divisors (1).

445938401 is an equidigital number, since it uses as much as digits as its factorization.

445938401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 445938401 is about 21117.2536329893. The cubic root of 445938401 is about 763.9969487420.

The spelling of 445938401 in words is "four hundred forty-five million, nine hundred thirty-eight thousand, four hundred one".