1445229 has 8 divisors (see below), whose sum is σ = 2141120. Its totient is φ = 963468.

The previous prime is 1445207. The next prime is 1445237. The reversal of 1445229 is 9225441.

It is not a de Polignac number, because 1445229 - 2⁸ = 1444973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53527 = 1445229 / (1 + 4 + 4 + 5 + 2 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445239) 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 7 ways as a sum of consecutive naturals, for example, 26737 + ... + 26790.

It is an arithmetic number, because the mean of its divisors is an integer number (267640).

2^1445229 is an apocalyptic number.

It is an amenable number.

1445229 is a deficient number, since it is larger than the sum of its proper divisors (695891).

1445229 is an equidigital number, since it uses as much as digits as its factorization.

1445229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53536 (or 53530 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1445229 is about 1202.1767756865. The cubic root of 1445229 is about 113.0608438355.

The spelling of 1445229 in words is "one million, four hundred forty-five thousand, two hundred twenty-nine".