1445317265 has 16 divisors (see below), whose sum is σ = 1983371520. Its totient is φ = 990463680.

The previous prime is 1445317253. The next prime is 1445317297. The reversal of 1445317265 is 5627135441.

It is not a de Polignac number, because 1445317265 - 2⁴ = 1445317249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49076 + ... + 72794.

It is an arithmetic number, because the mean of its divisors is an integer number (123960720).

Almost surely, 2^1445317265 is an apocalyptic number.

It is an amenable number.

1445317265 is a deficient number, since it is larger than the sum of its proper divisors (538054255).

1445317265 is a wasteful number, since it uses less digits than its factorization.

1445317265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25472.

The product of its digits is 100800, while the sum is 38.

The square root of 1445317265 is about 38017.3284832062. The cubic root of 1445317265 is about 1130.6314545741.

The spelling of 1445317265 in words is "one billion, four hundred forty-five million, three hundred seventeen thousand, two hundred sixty-five".