1445145192747 has 24 divisors (see below), whose sum is σ = 2090537592000. Its totient is φ = 961997679360.

The previous prime is 1445145192721. The next prime is 1445145192761. The reversal of 1445145192747 is 7472915415441.

1445145192747 is a `hidden beast` number, since 1 + 4 + 4 + 51 + 4 + 519 + 2 + 74 + 7 = 666.

It is not a de Polignac number, because 1445145192747 - 2⁶ = 1445145192683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445145192693 and 1445145192702.

It is not an unprimeable number, because it can be changed into a prime (1445145192707) 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, 19492254 + ... + 19566252.

It is an arithmetic number, because the mean of its divisors is an integer number (87105733000).

Almost surely, 2^{1445145192747} is an apocalyptic number.

1445145192747 is a deficient number, since it is larger than the sum of its proper divisors (645392399253).

1445145192747 is a wasteful number, since it uses less digits than its factorization.

1445145192747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77203 (or 77200 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 1445145192747 in words is "one trillion, four hundred forty-five billion, one hundred forty-five million, one hundred ninety-two thousand, seven hundred forty-seven".