1445255 has 24 divisors (see below), whose sum is σ = 2142288. Its totient is φ = 930048.

The previous prime is 1445239. The next prime is 1445261. The reversal of 1445255 is 5525441.

It is not a de Polignac number, because 1445255 - 2⁴ = 1445239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3992 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (89262).

2^1445255 is an apocalyptic number.

1445255 is a deficient number, since it is larger than the sum of its proper divisors (697033).

1445255 is a wasteful number, since it uses less digits than its factorization.

1445255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 376 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 1445255 is about 1202.1875893553. The cubic root of 1445255 is about 113.0615218282.

The spelling of 1445255 in words is "one million, four hundred forty-five thousand, two hundred fifty-five".