1445275 has 12 divisors (see below), whose sum is σ = 1930432. Its totient is φ = 1067040.

The previous prime is 1445261. The next prime is 1445287. The reversal of 1445275 is 5725441.

It is not a de Polignac number, because 1445275 - 2⁹ = 1444763 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1899 + ... + 2548.

2^1445275 is an apocalyptic number.

1445275 is a deficient number, since it is larger than the sum of its proper divisors (485157).

1445275 is a wasteful number, since it uses less digits than its factorization.

1445275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4465 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 1445275 is about 1202.1959074959. The cubic root of 1445275 is about 113.0620433556.

The spelling of 1445275 in words is "one million, four hundred forty-five thousand, two hundred seventy-five".