445700447 has 2 divisors, whose sum is σ = 445700448. Its totient is φ = 445700446.

The previous prime is 445700443. The next prime is 445700473. The reversal of 445700447 is 744007544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445700447 - 2² = 445700443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445700443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222850223 + 222850224.

It is an arithmetic number, because the mean of its divisors is an integer number (222850224).

Almost surely, 2^445700447 is an apocalyptic number.

445700447 is a deficient number, since it is larger than the sum of its proper divisors (1).

445700447 is an equidigital number, since it uses as much as digits as its factorization.

445700447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 445700447 is about 21111.6187678728. The cubic root of 445700447 is about 763.8610342489.

The spelling of 445700447 in words is "four hundred forty-five million, seven hundred thousand, four hundred forty-seven".