1445707 has 2 divisors, whose sum is σ = 1445708. Its totient is φ = 1445706.

The previous prime is 1445699. The next prime is 1445713. The reversal of 1445707 is 7075441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1445707 - 2³ = 1445699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722853 + 722854.

It is an arithmetic number, because the mean of its divisors is an integer number (722854).

2^1445707 is an apocalyptic number.

1445707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445707 is an equidigital number, since it uses as much as digits as its factorization.

1445707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1445707 is about 1202.3755652873. The cubic root of 1445707 is about 113.0733071721.

The spelling of 1445707 in words is "one million, four hundred forty-five thousand, seven hundred seven".