1445317264 has 10 divisors (see below), whose sum is σ = 2800302230. Its totient is φ = 722658624.

The previous prime is 1445317253. The next prime is 1445317297. The reversal of 1445317264 is 4627135441.

It can be written as a sum of positive squares in only one way, i.e., 1169092864 + 276224400 = 34192^2 + 16620^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45166149 + ... + 45166180.

It is an arithmetic number, because the mean of its divisors is an integer number (280030223).

Almost surely, 2^1445317264 is an apocalyptic number.

It is an amenable number.

1445317264 is a deficient number, since it is larger than the sum of its proper divisors (1354984966).

1445317264 is an equidigital number, since it uses as much as digits as its factorization.

1445317264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90332337 (or 90332331 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 1445317264 is about 38017.3284700543. The cubic root of 1445317264 is about 1130.6314543133.

The spelling of 1445317264 in words is "one billion, four hundred forty-five million, three hundred seventeen thousand, two hundred sixty-four".