1445313531052 has 24 divisors (see below), whose sum is σ = 2562898060800. Its totient is φ = 713068249296.

The previous prime is 1445313531007. The next prime is 1445313531091. The reversal of 1445313531052 is 2501353135441.

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 7 ways as a sum of consecutive naturals, for example, 900928 + ... + 1924135.

It is an arithmetic number, because the mean of its divisors is an integer number (106787419200).

Almost surely, 2^{1445313531052} is an apocalyptic number.

It is an amenable number.

1445313531052 is a deficient number, since it is larger than the sum of its proper divisors (1117584529748).

1445313531052 is a wasteful number, since it uses less digits than its factorization.

1445313531052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826765 (or 2826763 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1445313531052 its reverse (2501353135441), we get a palindrome (3946666666493).

The spelling of 1445313531052 in words is "one trillion, four hundred forty-five billion, three hundred thirteen million, five hundred thirty-one thousand, fifty-two".