445113761 has 2 divisors, whose sum is σ = 445113762. Its totient is φ = 445113760.

The previous prime is 445113749. The next prime is 445113803. The reversal of 445113761 is 167311544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414366736 + 30747025 = 20356^2 + 5545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445113761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445113061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222556880 + 222556881.

It is an arithmetic number, because the mean of its divisors is an integer number (222556881).

Almost surely, 2^445113761 is an apocalyptic number.

It is an amenable number.

445113761 is a deficient number, since it is larger than the sum of its proper divisors (1).

445113761 is an equidigital number, since it uses as much as digits as its factorization.

445113761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 445113761 is about 21097.7193317192. The cubic root of 445113761 is about 763.5257243212.

The spelling of 445113761 in words is "four hundred forty-five million, one hundred thirteen thousand, seven hundred sixty-one".