1445887166 has 8 divisors (see below), whose sum is σ = 2170501704. Its totient is φ = 722386600.

The previous prime is 1445887159. The next prime is 1445887189. The reversal of 1445887166 is 6617885441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275240 + ... + 280443.

It is an arithmetic number, because the mean of its divisors is an integer number (271312713).

Almost surely, 2^1445887166 is an apocalyptic number.

1445887166 is a deficient number, since it is larger than the sum of its proper divisors (724614538).

1445887166 is a wasteful number, since it uses less digits than its factorization.

1445887166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556986.

The product of its digits is 1290240, while the sum is 50.

The square root of 1445887166 is about 38024.8230239143. The cubic root of 1445887166 is about 1130.7800409410.

The spelling of 1445887166 in words is "one billion, four hundred forty-five million, eight hundred eighty-seven thousand, one hundred sixty-six".