1445317465 has 4 divisors (see below), whose sum is σ = 1734380964. Its totient is φ = 1156253968.

The previous prime is 1445317463. The next prime is 1445317499. The reversal of 1445317465 is 5647135441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 448084224 + 997233241 = 21168^2 + 31579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445317465 - 2¹ = 1445317463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445317463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144531742 + ... + 144531751.

It is an arithmetic number, because the mean of its divisors is an integer number (433595241).

Almost surely, 2^1445317465 is an apocalyptic number.

It is an amenable number.

1445317465 is a deficient number, since it is larger than the sum of its proper divisors (289063499).

1445317465 is an equidigital number, since it uses as much as digits as its factorization.

1445317465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289063498.

The product of its digits is 201600, while the sum is 40.

The square root of 1445317465 is about 38017.3311135856. The cubic root of 1445317465 is about 1130.6315067256.

The spelling of 1445317465 in words is "one billion, four hundred forty-five million, three hundred seventeen thousand, four hundred sixty-five".