1445715887145 has 16 divisors (see below), whose sum is σ = 2351065837632. Its totient is φ = 758408333760.

The previous prime is 1445715887123. The next prime is 1445715887167. The reversal of 1445715887145 is 5417885175441.

It is an interprime number because it is at equal distance from previous prime (1445715887123) and next prime (1445715887167).

It is not a de Polignac number, because 1445715887145 - 2⁶ = 1445715887081 is a prime.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 790007767 + ... + 790009596.

It is an arithmetic number, because the mean of its divisors is an integer number (146941614852).

Almost surely, 2^{1445715887145} is an apocalyptic number.

1445715887145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445715887145 is a deficient number, since it is larger than the sum of its proper divisors (905349950487).

1445715887145 is a wasteful number, since it uses less digits than its factorization.

1445715887145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580017432.

The product of its digits is 25088000, while the sum is 60.

The spelling of 1445715887145 in words is "one trillion, four hundred forty-five billion, seven hundred fifteen million, eight hundred eighty-seven thousand, one hundred forty-five".