1445317156 has 12 divisors (see below), whose sum is σ = 2662426480. Its totient is φ = 684623880.

The previous prime is 1445317147. The next prime is 1445317177. The reversal of 1445317156 is 6517135441.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 9508590 + ... + 9508741.

Almost surely, 2^1445317156 is an apocalyptic number.

It is an amenable number.

1445317156 is a deficient number, since it is larger than the sum of its proper divisors (1217109324).

1445317156 is a wasteful number, since it uses less digits than its factorization.

1445317156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017354 (or 19017352 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 1445317156 is about 38017.3270496493. The cubic root of 1445317156 is about 1130.6314261515.

The spelling of 1445317156 in words is "one billion, four hundred forty-five million, three hundred seventeen thousand, one hundred fifty-six".