445641701 has 2 divisors, whose sum is σ = 445641702. Its totient is φ = 445641700.

The previous prime is 445641697. The next prime is 445641737. The reversal of 445641701 is 107146544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443313025 + 2328676 = 21055^2 + 1526^2 .

It is a cyclic number.

It is not a de Polignac number, because 445641701 - 2² = 445641697 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445241701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222820850 + 222820851.

It is an arithmetic number, because the mean of its divisors is an integer number (222820851).

Almost surely, 2^445641701 is an apocalyptic number.

It is an amenable number.

445641701 is a deficient number, since it is larger than the sum of its proper divisors (1).

445641701 is an equidigital number, since it uses as much as digits as its factorization.

445641701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 445641701 is about 21110.2274028491. The cubic root of 445641701 is about 763.8274722812.

The spelling of 445641701 in words is "four hundred forty-five million, six hundred forty-one thousand, seven hundred one".