1445345 has 12 divisors (see below), whose sum is σ = 1907220. Its totient is φ = 1050720.

The previous prime is 1445341. The next prime is 1445351. The reversal of 1445345 is 5435441.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 1024144 = 649^2 + 1012^2 .

It is not a de Polignac number, because 1445345 - 2² = 1445341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (158935).

2^1445345 is an apocalyptic number.

It is an amenable number.

1445345 is a deficient number, since it is larger than the sum of its proper divisors (461875).

1445345 is a wasteful number, since it uses less digits than its factorization.

1445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2405 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 1445345 is about 1202.2250205348. The cubic root of 1445345 is about 113.0638686634.

The spelling of 1445345 in words is "one million, four hundred forty-five thousand, three hundred forty-five".