1445715887146 has 4 divisors (see below), whose sum is σ = 2168573830722. Its totient is φ = 722857943572.

The previous prime is 1445715887123. The next prime is 1445715887167. The reversal of 1445715887146 is 6417885175441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 931203770121 + 514512117025 = 964989^2 + 717295^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361428971785 + ... + 361428971788.

Almost surely, 2^{1445715887146} is an apocalyptic number.

1445715887146 is a deficient number, since it is larger than the sum of its proper divisors (722857943576).

1445715887146 is an equidigital number, since it uses as much as digits as its factorization.

1445715887146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722857943575.

The product of its digits is 30105600, while the sum is 61.

The spelling of 1445715887146 in words is "one trillion, four hundred forty-five billion, seven hundred fifteen million, eight hundred eighty-seven thousand, one hundred forty-six".