1445134887 has 24 divisors (see below), whose sum is σ = 2386685600. Its totient is φ = 825422400.

The previous prime is 1445134883. The next prime is 1445134907. The reversal of 1445134887 is 7884315441.

1445134887 is a `hidden beast` number, since 14 + 4 + 513 + 48 + 87 = 666.

It is not a de Polignac number, because 1445134887 - 2² = 1445134883 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445134883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204489 + ... + 211437.

Almost surely, 2^1445134887 is an apocalyptic number.

1445134887 is a deficient number, since it is larger than the sum of its proper divisors (941550713).

1445134887 is a wasteful number, since it uses less digits than its factorization.

1445134887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10263 (or 10260 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 1445134887 is about 38014.9297908072. The cubic root of 1445134887 is about 1130.5838961632.

The spelling of 1445134887 in words is "one billion, four hundred forty-five million, one hundred thirty-four thousand, eight hundred eighty-seven".