1445145192748 has 12 divisors (see below), whose sum is σ = 2529050693400. Its totient is φ = 722559280352.

The previous prime is 1445145192721. The next prime is 1445145192761. The reversal of 1445145192748 is 8472915415441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082798 + ... + 3520501.

It is an arithmetic number, because the mean of its divisors is an integer number (210754224450).

Almost surely, 2^{1445145192748} is an apocalyptic number.

It is an amenable number.

1445145192748 is a deficient number, since it is larger than the sum of its proper divisors (1083905500652).

1445145192748 is a wasteful number, since it uses less digits than its factorization.

1445145192748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658016 (or 6658014 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The spelling of 1445145192748 in words is "one trillion, four hundred forty-five billion, one hundred forty-five million, one hundred ninety-two thousand, seven hundred forty-eight".