1445688074519 has 4 divisors (see below), whose sum is σ = 1556894849496. Its totient is φ = 1334481299544.

The previous prime is 1445688074503. The next prime is 1445688074563. The reversal of 1445688074519 is 9154708865441.

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

It is a cyclic number.

It is not a de Polignac number, because 1445688074519 - 2⁴ = 1445688074503 is a prime.

It is a super-2 number, since 2×1445688074519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445618074519) by changing a digit.

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, 55603387469 + ... + 55603387494.

It is an arithmetic number, because the mean of its divisors is an integer number (389223712374).

Almost surely, 2^{1445688074519} is an apocalyptic number.

1445688074519 is a deficient number, since it is larger than the sum of its proper divisors (111206774977).

1445688074519 is a wasteful number, since it uses less digits than its factorization.

1445688074519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111206774976.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 1445688074519 in words is "one trillion, four hundred forty-five billion, six hundred eighty-eight million, seventy-four thousand, five hundred nineteen".