1445374465 has 16 divisors (see below), whose sum is σ = 1744331472. Its totient is φ = 1149732864.

The previous prime is 1445374453. The next prime is 1445374481. The reversal of 1445374465 is 5644735441.

It can be written as a sum of positive squares in 8 ways, for example, as 8661249 + 1436713216 = 2943^2 + 37904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445374465 - 2⁵ = 1445374433 is a prime.

It is a Duffinian number.

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, 769107 + ... + 770983.

It is an arithmetic number, because the mean of its divisors is an integer number (109020717).

Almost surely, 2^1445374465 is an apocalyptic number.

It is an amenable number.

1445374465 is a deficient number, since it is larger than the sum of its proper divisors (298957007).

1445374465 is a wasteful number, since it uses less digits than its factorization.

1445374465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676.

The product of its digits is 806400, while the sum is 43.

The square root of 1445374465 is about 38018.0807642890. The cubic root of 1445374465 is about 1130.6463696998.

The spelling of 1445374465 in words is "one billion, four hundred forty-five million, three hundred seventy-four thousand, four hundred sixty-five".