1445266 has 4 divisors (see below), whose sum is σ = 2167902. Its totient is φ = 722632.

The previous prime is 1445261. The next prime is 1445287. The reversal of 1445266 is 6625441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6625441 = 2503 ⋅2647.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 55225 = 1179^2 + 235^2 .

It is not an unprimeable number, because it can be changed into a prime (1445261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361315 + ... + 361318.

2^1445266 is an apocalyptic number.

1445266 is a deficient number, since it is larger than the sum of its proper divisors (722636).

1445266 is an equidigital number, since it uses as much as digits as its factorization.

1445266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722635.

The product of its digits is 5760, while the sum is 28.

The square root of 1445266 is about 1202.1921643398. The cubic root of 1445266 is about 113.0618086689.

It can be divided in two parts, 1445 and 266, that added together give a triangular number (1711 = T₅₈).

The spelling of 1445266 in words is "one million, four hundred forty-five thousand, two hundred sixty-six".