1445426 has 4 divisors (see below), whose sum is σ = 2168142. Its totient is φ = 722712.

The previous prime is 1445419. The next prime is 1445429. The reversal of 1445426 is 6245441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6245441 = 2333 ⋅2677.

It can be written as a sum of positive squares in only one way, i.e., 1442401 + 3025 = 1201^2 + 55^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1445395 and 1445404.

It is not an unprimeable number, because it can be changed into a prime (1445429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361355 + ... + 361358.

2^1445426 is an apocalyptic number.

1445426 is a deficient number, since it is larger than the sum of its proper divisors (722716).

1445426 is an equidigital number, since it uses as much as digits as its factorization.

1445426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722715.

The product of its digits is 3840, while the sum is 26.

The square root of 1445426 is about 1202.2587076000. The cubic root of 1445426 is about 113.0659807317.

The spelling of 1445426 in words is "one million, four hundred forty-five thousand, four hundred twenty-six".