1445276323 has 16 divisors (see below), whose sum is σ = 1533772800. Its totient is φ = 1359072000.

The previous prime is 1445276321. The next prime is 1445276359. The reversal of 1445276323 is 3236725441.

It is a cyclic number.

It is not a de Polignac number, because 1445276323 - 2¹ = 1445276321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445276321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454483 + ... + 457651.

It is an arithmetic number, because the mean of its divisors is an integer number (95860800).

Almost surely, 2^1445276323 is an apocalyptic number.

1445276323 is a deficient number, since it is larger than the sum of its proper divisors (88496477).

1445276323 is a wasteful number, since it uses less digits than its factorization.

1445276323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its digits is 120960, while the sum is 37.

The square root of 1445276323 is about 38016.7900144134. The cubic root of 1445276323 is about 1130.6207785444.

The spelling of 1445276323 in words is "one billion, four hundred forty-five million, two hundred seventy-six thousand, three hundred twenty-three".