1445401 has 2 divisors, whose sum is σ = 1445402. Its totient is φ = 1445400.

The previous prime is 1445371. The next prime is 1445407. The reversal of 1445401 is 1045441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 179776 = 1125^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445401 - 2¹¹ = 1443353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1445407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722700 + 722701.

It is an arithmetic number, because the mean of its divisors is an integer number (722701).

2^1445401 is an apocalyptic number.

It is an amenable number.

1445401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445401 is an equidigital number, since it uses as much as digits as its factorization.

1445401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1445401 is about 1202.2483104584. The cubic root of 1445401 is about 113.0653288672.

The spelling of 1445401 in words is "one million, four hundred forty-five thousand, four hundred one".