1445289896 has 8 divisors (see below), whose sum is σ = 2709918570. Its totient is φ = 722644944.

The previous prime is 1445289889. The next prime is 1445289917. The reversal of 1445289896 is 6989825441.

It can be written as a sum of positive squares in only one way, i.e., 1422345796 + 22944100 = 37714^2 + 4790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90330611 + ... + 90330626.

Almost surely, 2^1445289896 is an apocalyptic number.

It is an amenable number.

1445289896 is a deficient number, since it is larger than the sum of its proper divisors (1264628674).

1445289896 is a wasteful number, since it uses less digits than its factorization.

1445289896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180661243 (or 180661239 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The square root of 1445289896 is about 38016.9685272248. The cubic root of 1445289896 is about 1130.6243178602.

The spelling of 1445289896 in words is "one billion, four hundred forty-five million, two hundred eighty-nine thousand, eight hundred ninety-six".