1445213 has 12 divisors (see below), whose sum is σ = 1815072. Its totient is φ = 1117920.

The previous prime is 1445207. The next prime is 1445237. The reversal of 1445213 is 3125441.

It is not a de Polignac number, because 1445213 - 2⁶ = 1445149 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445413) 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 in 11 ways as a sum of consecutive naturals, for example, 10481 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (151256).

2^1445213 is an apocalyptic number.

It is an amenable number.

1445213 is a deficient number, since it is larger than the sum of its proper divisors (369859).

1445213 is an equidigital number, since it uses as much as digits as its factorization.

1445213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 155 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 1445213 is about 1202.1701210727. The cubic root of 1445213 is about 113.0604266051.

The spelling of 1445213 in words is "one million, four hundred forty-five thousand, two hundred thirteen".